18422773796 has 24 divisors (see below), whose sum is σ = 37051398720. Its totient is φ = 7851363552.

The previous prime is 18422773763. The next prime is 18422773807. The reversal of 18422773796 is 69737722481.

It is a happy 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, 1832855 + ... + 1842878.

It is an arithmetic number, because the mean of its divisors is an integer number (1543808280).

Almost surely, 2^18422773796 is an apocalyptic number.

It is an amenable number.

18422773796 is an abundant number, since it is smaller than the sum of its proper divisors (18628624924).

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

18422773796 is a wasteful number, since it uses less digits than its factorization.

18422773796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675923 (or 3675921 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 56.

The spelling of 18422773796 in words is "eighteen billion, four hundred twenty-two million, seven hundred seventy-three thousand, seven hundred ninety-six".