19272590990 has 16 divisors (see below), whose sum is σ = 34709238720. Its totient is φ = 7704908640.

The previous prime is 19272590983. The next prime is 19272591001. The reversal of 19272590990 is 9909527291.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 496325 + ... + 533744.

It is an arithmetic number, because the mean of its divisors is an integer number (2169327420).

Almost surely, 2^19272590990 is an apocalyptic number.

19272590990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19272590990 is a deficient number, since it is larger than the sum of its proper divisors (15436647730).

19272590990 is a wasteful number, since it uses less digits than its factorization.

19272590990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031947.

The product of its (nonzero) digits is 918540, while the sum is 53.

The spelling of 19272590990 in words is "nineteen billion, two hundred seventy-two million, five hundred ninety thousand, nine hundred ninety".