18982796590 has 16 divisors (see below), whose sum is σ = 34315686288. Its totient is φ = 7560529216.

The previous prime is 18982796551. The next prime is 18982796603. The reversal of 18982796590 is 9569728981.

It is a congruent 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, 4071232 + ... + 4075891.

It is an arithmetic number, because the mean of its divisors is an integer number (2144730393).

Almost surely, 2^18982796590 is an apocalyptic number.

18982796590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18982796590 is a deficient number, since it is larger than the sum of its proper divisors (15332889698).

18982796590 is a wasteful number, since it uses less digits than its factorization.

18982796590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8147363.

The product of its (nonzero) digits is 19595520, while the sum is 64.

The spelling of 18982796590 in words is "eighteen billion, nine hundred eighty-two million, seven hundred ninety-six thousand, five hundred ninety".