13563004064 has 48 divisors (see below), whose sum is σ = 26821368000. Its totient is φ = 6751309824.

The previous prime is 13563004043. The next prime is 13563004093. The reversal of 13563004064 is 46040036531.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 13563004064.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9295367 + ... + 9296825.

It is an arithmetic number, because the mean of its divisors is an integer number (558778500).

Almost surely, 2^13563004064 is an apocalyptic number.

It is an amenable number.

13563004064 is a deficient number, since it is larger than the sum of its proper divisors (13258363936).

13563004064 is a wasteful number, since it uses less digits than its factorization.

13563004064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565 (or 2557 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 13563004064 in words is "thirteen billion, five hundred sixty-three million, four thousand, sixty-four".