18934364000 has 48 divisors (see below), whose sum is σ = 46521742176. Its totient is φ = 7573744000.

The previous prime is 18934363969. The next prime is 18934364039. The reversal of 18934364000 is 46343981.

It is a congruent number.

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, 2362796 + ... + 2370795.

It is an arithmetic number, because the mean of its divisors is an integer number (969202962).

Almost surely, 2^18934364000 is an apocalyptic number.

18934364000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18934364000 is an abundant number, since it is smaller than the sum of its proper divisors (27587378176).

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

18934364000 is an equidigital number, since it uses as much as digits as its factorization.

18934364000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733616 (or 4733598 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 18934364000 in words is "eighteen billion, nine hundred thirty-four million, three hundred sixty-four thousand".