426942694231 has 2 divisors, whose sum is σ = 426942694232. Its totient is φ = 426942694230.

The previous prime is 426942694183. The next prime is 426942694237. The reversal of 426942694231 is 132496249624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426942694231 - 2³³ = 418352759639 is a prime.

It is a super-2 number, since 2×426942694231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426942694237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213471347115 + 213471347116.

It is an arithmetic number, because the mean of its divisors is an integer number (213471347116).

Almost surely, 2^426942694231 is an apocalyptic number.

426942694231 is a deficient number, since it is larger than the sum of its proper divisors (1).

426942694231 is an equidigital number, since it uses as much as digits as its factorization.

426942694231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4478976, while the sum is 52.

The spelling of 426942694231 in words is "four hundred twenty-six billion, nine hundred forty-two million, six hundred ninety-four thousand, two hundred thirty-one".