18889774962 has 32 divisors (see below), whose sum is σ = 38410142784. Its totient is φ = 6191553600.

The previous prime is 18889774957. The next prime is 18889774973. The reversal of 18889774962 is 26947798881.

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 15 ways as a sum of consecutive naturals, for example, 1897137 + ... + 1907067.

It is an arithmetic number, because the mean of its divisors is an integer number (1200316962).

Almost surely, 2^18889774962 is an apocalyptic number.

18889774962 is an abundant number, since it is smaller than the sum of its proper divisors (19520367822).

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

18889774962 is a wasteful number, since it uses less digits than its factorization.

18889774962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15194.

The product of its digits is 97542144, while the sum is 69.

The spelling of 18889774962 in words is "eighteen billion, eight hundred eighty-nine million, seven hundred seventy-four thousand, nine hundred sixty-two".