13526570564 has 12 divisors (see below), whose sum is σ = 25492383084. Its totient is φ = 6243032544.

The previous prime is 13526570539. The next prime is 13526570621. The reversal of 13526570564 is 46507562531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6572344900 + 6954225664 = 81070^2 + 83392^2 .

It is a super-2 number, since 2×13526570564² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130063127 + ... + 130063230.

It is an arithmetic number, because the mean of its divisors is an integer number (2124365257).

Almost surely, 2^13526570564 is an apocalyptic number.

It is an amenable number.

13526570564 is a deficient number, since it is larger than the sum of its proper divisors (11965812520).

13526570564 is a wasteful number, since it uses less digits than its factorization.

13526570564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260126374 (or 260126372 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 13526570564 in words is "thirteen billion, five hundred twenty-six million, five hundred seventy thousand, five hundred sixty-four".