13675457631 has 24 divisors (see below), whose sum is σ = 20583971632. Its totient is φ = 8064144000.

The previous prime is 13675457623. The next prime is 13675457647.

13675457631 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13675457631 - 2³ = 13675457623 is a prime.

It is a super-2 number, since 2×13675457631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13675459631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 495670 + ... + 522531.

Almost surely, 2^13675457631 is an apocalyptic number.

13675457631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13675457631 is a deficient number, since it is larger than the sum of its proper divisors (6908514001).

13675457631 is a wasteful number, since it uses less digits than its factorization.

13675457631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018263 (or 1018252 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 48.

The spelling of 13675457631 in words is "thirteen billion, six hundred seventy-five million, four hundred fifty-seven thousand, six hundred thirty-one".