18450970479192 has 32 divisors (see below), whose sum is σ = 47374113394800. Its totient is φ = 5984098533504.

The previous prime is 18450970479157. The next prime is 18450970479257. The reversal of 18450970479192 is 29197407905481.

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, 10389059067 + ... + 10389060842.

Almost surely, 2^{18450970479192} is an apocalyptic number.

18450970479192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18450970479192 is an abundant number, since it is smaller than the sum of its proper divisors (28923142915608).

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

18450970479192 is a wasteful number, since it uses less digits than its factorization.

18450970479192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20778119955 (or 20778119951 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 66.

The spelling of 18450970479192 in words is "eighteen trillion, four hundred fifty billion, nine hundred seventy million, four hundred seventy-nine thousand, one hundred ninety-two".