13500713618 has 64 divisors (see below), whose sum is σ = 23996044800. Its totient is φ = 5576947200.

The previous prime is 13500713561. The next prime is 13500713671. The reversal of 13500713618 is 81631700531.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20674580 + ... + 20675232.

It is an arithmetic number, because the mean of its divisors is an integer number (374938200).

Almost surely, 2^13500713618 is an apocalyptic number.

13500713618 is a deficient number, since it is larger than the sum of its proper divisors (10495331182).

13500713618 is a wasteful number, since it uses less digits than its factorization.

13500713618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 13500713618 in words is "thirteen billion, five hundred million, seven hundred thirteen thousand, six hundred eighteen".