19022952790 has 16 divisors (see below), whose sum is σ = 34491254112. Its totient is φ = 7553639104.

The previous prime is 19022952787. The next prime is 19022952863. The reversal of 19022952790 is 9725922091.

It is a self number, because there is not a number n which added to its sum of digits gives 19022952790.

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, 6941314 + ... + 6944053.

It is an arithmetic number, because the mean of its divisors is an integer number (2155703382).

Almost surely, 2^19022952790 is an apocalyptic number.

19022952790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19022952790 is a deficient number, since it is larger than the sum of its proper divisors (15468301322).

19022952790 is a wasteful number, since it uses less digits than its factorization.

19022952790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13885511.

The product of its (nonzero) digits is 204120, while the sum is 46.

The spelling of 19022952790 in words is "nineteen billion, twenty-two million, nine hundred fifty-two thousand, seven hundred ninety".