18473591708 has 36 divisors (see below), whose sum is σ = 37987355448. Its totient is φ = 7749793440.

The previous prime is 18473591599. The next prime is 18473591723. The reversal of 18473591708 is 80719537481.

It is a self number, because there is not a number n which added to its sum of digits gives 18473591708.

It is a congruent number.

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, 3247835 + ... + 3253517.

It is an arithmetic number, because the mean of its divisors is an integer number (1055204318).

Almost surely, 2^18473591708 is an apocalyptic number.

It is an amenable number.

18473591708 is an abundant number, since it is smaller than the sum of its proper divisors (19513763740).

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

18473591708 is an equidigital number, since it uses as much as digits as its factorization.

18473591708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11394 (or 5709 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 18473591708 in words is "eighteen billion, four hundred seventy-three million, five hundred ninety-one thousand, seven hundred eight".