19223366904 has 64 divisors (see below), whose sum is σ = 61026566400. Its totient is φ = 5492390112.

The previous prime is 19223366893. The next prime is 19223366951. The reversal of 19223366904 is 40966332291.

It is a self number, because there is not a number n which added to its sum of digits gives 19223366904.

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 15 ways as a sum of consecutive naturals, for example, 6355422 + ... + 6358445.

It is an arithmetic number, because the mean of its divisors is an integer number (953540100).

Almost surely, 2^19223366904 is an apocalyptic number.

19223366904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19223366904 is an abundant number, since it is smaller than the sum of its proper divisors (41803199496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19223366904 is a wasteful number, since it uses less digits than its factorization.

19223366904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12713889 (or 12713879 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 19223366904 in words is "nineteen billion, two hundred twenty-three million, three hundred sixty-six thousand, nine hundred four".