18630379232 has 24 divisors (see below), whose sum is σ = 36881214552. Its totient is φ = 9263721600.

The previous prime is 18630379211. The next prime is 18630379267. The reversal of 18630379232 is 23297303681.

It is a congruent number.

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, 1602494 + ... + 1614077.

It is an arithmetic number, because the mean of its divisors is an integer number (1536717273).

Almost surely, 2^18630379232 is an apocalyptic number.

It is an amenable number.

18630379232 is a deficient number, since it is larger than the sum of its proper divisors (18250835320).

18630379232 is a wasteful number, since it uses less digits than its factorization.

18630379232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216762 (or 3216754 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 18630379232 in words is "eighteen billion, six hundred thirty million, three hundred seventy-nine thousand, two hundred thirty-two".