12679624631 has 2 divisors, whose sum is σ = 12679624632. Its totient is φ = 12679624630.

The previous prime is 12679624627. The next prime is 12679624637. The reversal of 12679624631 is 13642697621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12679624631 - 2² = 12679624627 is a prime.

It is a super-2 number, since 2×12679624631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12679624637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6339812315 + 6339812316.

It is an arithmetic number, because the mean of its divisors is an integer number (6339812316).

Almost surely, 2^12679624631 is an apocalyptic number.

12679624631 is a deficient number, since it is larger than the sum of its proper divisors (1).

12679624631 is an equidigital number, since it uses as much as digits as its factorization.

12679624631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The spelling of 12679624631 in words is "twelve billion, six hundred seventy-nine million, six hundred twenty-four thousand, six hundred thirty-one".