18398950082 has 16 divisors (see below), whose sum is σ = 27992630592. Its totient is φ = 9068124240.

The previous prime is 18398950079. The next prime is 18398950147. The reversal of 18398950082 is 28005989381.

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, 990908 + ... + 1009304.

It is an arithmetic number, because the mean of its divisors is an integer number (1749539412).

Almost surely, 2^18398950082 is an apocalyptic number.

18398950082 is a deficient number, since it is larger than the sum of its proper divisors (9593680510).

18398950082 is a wasteful number, since it uses less digits than its factorization.

18398950082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25513.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 18398950082 in words is "eighteen billion, three hundred ninety-eight million, nine hundred fifty thousand, eighty-two".