18353379204 has 36 divisors (see below), whose sum is σ = 46418283184. Its totient is φ = 6114493872.

The previous prime is 18353379193. The next prime is 18353379271. The reversal of 18353379204 is 40297335381.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 18353379204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69322 + ... + 203745.

Almost surely, 2^18353379204 is an apocalyptic number.

It is an amenable number.

18353379204 is an abundant number, since it is smaller than the sum of its proper divisors (28064903980).

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

18353379204 is a wasteful number, since it uses less digits than its factorization.

18353379204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274944 (or 274939 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 18353379204 in words is "eighteen billion, three hundred fifty-three million, three hundred seventy-nine thousand, two hundred four".