99999...99089 (100-digits)

This number is a prime.

                                            9999999999 9999999999 9999999999
9999999999 9999999999 9999999999 9999999999 9999999999 9999999999 9999999089

+ The largest holey prime less than a googol. [Patterson]

+ The largest prime less than a googol whose digits contain circles, i.e., using only the digits 0, 6, 8, 9. [Patterson and Honaker]

+ The largest prime less than a googol and containing only non-prime digits. [Gupta]

+ The largest Happy prime less than a googol. [Gupta]

+ The largest prime less than a googol and containing only curved digits. [Gupta]

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