24682...24247 (144-digits)

This number is a prime.

                                                                        2468
2022242628 4042444648 6062646668 8082848688 2002022042 0620822022 2224226228
2402422442 4624826026 2264266268 2802822842 8628840040 2404406408 4204224247

+ The smallest almost-all-even-digits prime greater than a googol containing in ascending order the first n all-even-digit numbers (n=57). If we change the last digit 7 with 9 then we take another such prime, so that we have a twin prime pair. [Loungrides]

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