18888839002 has 16 divisors (see below), whose sum is σ = 30954288672. Its totient is φ = 8573258320.

The previous prime is 18888838981. The next prime is 18888839029. The reversal of 18888839002 is 20093888881.

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, 613513 + ... + 643564.

It is an arithmetic number, because the mean of its divisors is an integer number (1934643042).

Almost surely, 2^18888839002 is an apocalyptic number.

18888839002 is a deficient number, since it is larger than the sum of its proper divisors (12065449670).

18888839002 is a wasteful number, since it uses less digits than its factorization.

18888839002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257773.

The product of its (nonzero) digits is 1769472, while the sum is 55.

The spelling of 18888839002 in words is "eighteen billion, eight hundred eighty-eight million, eight hundred thirty-nine thousand, two".