18382910922 has 12 divisors (see below), whose sum is σ = 39829640370. Its totient is φ = 6127636968.

The previous prime is 18382910911. The next prime is 18382910933. The reversal of 18382910922 is 22901928381.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18382910911) and next prime (18382910933).

It can be written as a sum of positive squares in only one way, i.e., 13595793201 + 4787117721 = 116601^2 + 69189^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510636397 + ... + 510636432.

Almost surely, 2^18382910922 is an apocalyptic number.

18382910922 is an abundant number, since it is smaller than the sum of its proper divisors (21446729448).

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

18382910922 is a wasteful number, since it uses less digits than its factorization.

18382910922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021272837 (or 1021272834 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 18382910922 in words is "eighteen billion, three hundred eighty-two million, nine hundred ten thousand, nine hundred twenty-two".