13489920574 has 16 divisors (see below), whose sum is σ = 21802373712. Its totient is φ = 6222984768.

The previous prime is 13489920571. The next prime is 13489920581. The reversal of 13489920574 is 47502998431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13489920571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77439 + ... + 181594.

It is an arithmetic number, because the mean of its divisors is an integer number (1362648357).

Almost surely, 2^13489920574 is an apocalyptic number.

13489920574 is a deficient number, since it is larger than the sum of its proper divisors (8312453138).

13489920574 is a wasteful number, since it uses less digits than its factorization.

13489920574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261051.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 13489920574 in words is "thirteen billion, four hundred eighty-nine million, nine hundred twenty thousand, five hundred seventy-four".