13149239584 has 24 divisors (see below), whose sum is σ = 27878917500. Its totient is φ = 6068879616.

The previous prime is 13149239563. The next prime is 13149239599. The reversal of 13149239584 is 48593294131.

It can be written as a sum of positive squares in 2 ways, for example, as 13048035984 + 101203600 = 114228^2 + 10060^2 .

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, 15803959 + ... + 15804790.

Almost surely, 2^13149239584 is an apocalyptic number.

It is an amenable number.

13149239584 is an abundant number, since it is smaller than the sum of its proper divisors (14729677916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13149239584 is a wasteful number, since it uses less digits than its factorization.

13149239584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31608772 (or 31608764 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The spelling of 13149239584 in words is "thirteen billion, one hundred forty-nine million, two hundred thirty-nine thousand, five hundred eighty-four".