18733998000874 has 16 divisors (see below), whose sum is σ = 30265735961160. Its totient is φ = 8645568099840.

The previous prime is 18733998000857. The next prime is 18733998000961. The reversal of 18733998000874 is 47800089933781.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8490189646849 + 10243808354025 = 2913793^2 + 3200595^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36931407 + ... + 37435234.

Almost surely, 2^{18733998000874} is an apocalyptic number.

18733998000874 is a deficient number, since it is larger than the sum of its proper divisors (11531737960286).

18733998000874 is a wasteful number, since it uses less digits than its factorization.

18733998000874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74376345.

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 18733998000874 in words is "eighteen trillion, seven hundred thirty-three billion, nine hundred ninety-eight million, eight hundred seventy-four", and thus it is an aban number.