13029765904 has 15 divisors (see below), whose sum is σ = 25246056117. Its totient is φ = 6514654656.

The previous prime is 13029765877. The next prime is 13029765937. The reversal of 13029765904 is 40956792031.

It is a happy number.

The square root of 13029765904 is 114148.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1633776400 + 11395989504 = 40420^2 + 106752^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 442324 + ... + 470860.

Almost surely, 2^13029765904 is an apocalyptic number.

13029765904 is the 114148-th square number.

It is an amenable number.

13029765904 is a deficient number, since it is larger than the sum of its proper divisors (12216290213).

13029765904 is an frugal number, since it uses more digits than its factorization.

13029765904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57082 (or 28539 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 13029765904 in words is "thirteen billion, twenty-nine million, seven hundred sixty-five thousand, nine hundred four".