18324703904 has 36 divisors (see below), whose sum is σ = 38857750974. Its totient is φ = 8456281344.

The previous prime is 18324703897. The next prime is 18324703909. The reversal of 18324703904 is 40930742381.

It can be written as a sum of positive squares in 3 ways, for example, as 1802172304 + 16522531600 = 42452^2 + 128540^2 .

It is not an unprimeable number, because it can be changed into a prime (18324703909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2757674 + ... + 2764310.

Almost surely, 2^18324703904 is an apocalyptic number.

It is an amenable number.

18324703904 is an abundant number, since it is smaller than the sum of its proper divisors (20533047070).

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

18324703904 is an frugal number, since it uses more digits than its factorization.

18324703904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13297 (or 6652 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 18324703904 in words is "eighteen billion, three hundred twenty-four million, seven hundred three thousand, nine hundred four".