189686906191

This number is a prime.

                                                               18 9686906191

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The smallest invertible prime containing all of the invertible digits {0, 1, 6, 8, 9} that is the sum of first n primes, i.e., (2 + 3 + 5 + 7 + ... + 2316203 + 2316239), (case n=170610). [Bajpai]