14904981994 has 32 divisors (see below), whose sum is σ = 26089660800. Its totient is φ = 6383732544.

The previous prime is 14904981977. The next prime is 14904982007. The reversal of 14904981994 is 49918940941.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1212909 + ... + 1225135.

It is an arithmetic number, because the mean of its divisors is an integer number (815301900).

Almost surely, 2^14904981994 is an apocalyptic number.

14904981994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

14904981994 is a deficient number, since it is larger than the sum of its proper divisors (11184678806).

14904981994 is a wasteful number, since it uses less digits than its factorization.

14904981994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14027 (or 14013 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 58.

The spelling of 14904981994 in words is "fourteen billion, nine hundred four million, nine hundred eighty-one thousand, nine hundred ninety-four".