18403092964 has 9 divisors (see below), whose sum is σ = 32205887497. Its totient is φ = 9201410824.

The previous prime is 18403092949. The next prime is 18403092973. The reversal of 18403092964 is 46929030481.

The square root of 18403092964 is 135658.

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., 13074092964 + 5329000000 = 114342^2 + 73000^2 .

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, 237402 + ... + 305230.

Almost surely, 2^18403092964 is an apocalyptic number.

18403092964 is the 135658-th square number.

It is an amenable number.

18403092964 is a deficient number, since it is larger than the sum of its proper divisors (13802794533).

18403092964 is an frugal number, since it uses more digits than its factorization.

18403092964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135662 (or 67831 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 18403092964 in words is "eighteen billion, four hundred three million, ninety-two thousand, nine hundred sixty-four".