2318172904 has 16 divisors (see below), whose sum is σ = 4602255300. Its totient is φ = 1090904832.

The previous prime is 2318172893. The next prime is 2318172931. The reversal of 2318172904 is 4092718132.

It can be written as a sum of positive squares in 2 ways, for example, as 2284648804 + 33524100 = 47798^2 + 5790^2 .

It is a super-2 number, since 2×2318172904² = 10747851225679586432, which contains 22 as substring.

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, 8522559 + ... + 8522830.

Almost surely, 2^2318172904 is an apocalyptic number.

It is an amenable number.

2318172904 is a deficient number, since it is larger than the sum of its proper divisors (2284082396).

2318172904 is a wasteful number, since it uses less digits than its factorization.

2318172904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17045412 (or 17045408 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 2318172904 is about 48147.4080714632. The cubic root of 2318172904 is about 1323.4735770143.

The spelling of 2318172904 in words is "two billion, three hundred eighteen million, one hundred seventy-two thousand, nine hundred four".