13530581564 has 12 divisors (see below), whose sum is σ = 23679513144. Its totient is φ = 6765006384.

The previous prime is 13530581521. The next prime is 13530581621. The reversal of 13530581564 is 46518503531.

13530581564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64814 + ... + 176810.

It is an arithmetic number, because the mean of its divisors is an integer number (1973292762).

Almost surely, 2^13530581564 is an apocalyptic number.

It is an amenable number.

13530581564 is a deficient number, since it is larger than the sum of its proper divisors (10148931580).

13530581564 is a wasteful number, since it uses less digits than its factorization.

13530581564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142204 (or 142202 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 13530581564 in words is "thirteen billion, five hundred thirty million, five hundred eighty-one thousand, five hundred sixty-four".