626426400566131 has 96 divisors (see below), whose sum is σ = 724041723428352. Its totient is φ = 537399167585280.

The previous prime is 626426400566107. The next prime is 626426400566149. The reversal of 626426400566131 is 131665004624626.

It is not a de Polignac number, because 626426400566131 - 2⁷ = 626426400566003 is a prime.

It is a super-2 number, since 2×626426400566131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (626426400566231) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 300156395970 + ... + 300156398056.

It is an arithmetic number, because the mean of its divisors is an integer number (7542101285712).

Almost surely, 2^{626426400566131} is an apocalyptic number.

626426400566131 is a deficient number, since it is larger than the sum of its proper divisors (97615322862221).

626426400566131 is a wasteful number, since it uses less digits than its factorization.

626426400566131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153 (or 4130 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 52.

The spelling of 626426400566131 in words is "six hundred twenty-six trillion, four hundred twenty-six billion, four hundred million, five hundred sixty-six thousand, one hundred thirty-one".