18799925487474 has 16 divisors (see below), whose sum is σ = 37600880109120. Its totient is φ = 6266470306800.

The previous prime is 18799925487439. The next prime is 18799925487487. The reversal of 18799925487474 is 47478452999781.

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, 42643009 + ... + 43081620.

It is an arithmetic number, because the mean of its divisors is an integer number (2350055006820).

Almost surely, 2^{18799925487474} is an apocalyptic number.

18799925487474 is an abundant number, since it is smaller than the sum of its proper divisors (18800954621646).

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

18799925487474 is a wasteful number, since it uses less digits than its factorization.

18799925487474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85761185.

The product of its digits is 10241925120, while the sum is 84.

The spelling of 18799925487474 in words is "eighteen trillion, seven hundred ninety-nine billion, nine hundred twenty-five million, four hundred eighty-seven thousand, four hundred seventy-four".