13031677537 has 16 divisors (see below), whose sum is σ = 13454106112. Its totient is φ = 12613138560.

The previous prime is 13031677507. The next prime is 13031677579. The reversal of 13031677537 is 73577613031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13031677537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13031677493 and 13031677502.

It is not an unprimeable number, because it can be changed into a prime (13031677507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7433053 + ... + 7434805.

It is an arithmetic number, because the mean of its divisors is an integer number (840881632).

Almost surely, 2^13031677537 is an apocalyptic number.

It is an amenable number.

13031677537 is a deficient number, since it is larger than the sum of its proper divisors (422428575).

13031677537 is a wasteful number, since it uses less digits than its factorization.

13031677537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728.

The product of its (nonzero) digits is 277830, while the sum is 43.

The spelling of 13031677537 in words is "thirteen billion, thirty-one million, six hundred seventy-seven thousand, five hundred thirty-seven".