44444...86869 (101-digits)

This number is a prime.

                                          4 4444444444 4444444444 4444444444
4444444444 4444444444 4444444444 4444444444 4444444444 4444444444 4444486869

+ The smallest composite-digit prime greater than a googol that contains all of the composite digits {4, 6, 8, 9}. [Bajpai]

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