409684560131 has 24 divisors (see below), whose sum is σ = 517339748352. Its totient is φ = 317563210800.

The previous prime is 409684560127. The next prime is 409684560139. The reversal of 409684560131 is 131065486904.

It is not a de Polignac number, because 409684560131 - 2² = 409684560127 is a prime.

It is a super-2 number, since 2×409684560131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (409684560139) 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, 1104425 + ... + 1427978.

It is an arithmetic number, because the mean of its divisors is an integer number (21555822848).

Almost surely, 2^409684560131 is an apocalyptic number.

409684560131 is a deficient number, since it is larger than the sum of its proper divisors (107655188221).

409684560131 is a wasteful number, since it uses less digits than its factorization.

409684560131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532623 (or 2532612 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 409684560131 in words is "four hundred nine billion, six hundred eighty-four million, five hundred sixty thousand, one hundred thirty-one".