19219202904 has 32 divisors (see below), whose sum is σ = 52416008640. Its totient is φ = 5824000800.

The previous prime is 19219202887. The next prime is 19219202999. The reversal of 19219202904 is 40920291291.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36399742 + ... + 36400269.

It is an arithmetic number, because the mean of its divisors is an integer number (1638000270).

Almost surely, 2^19219202904 is an apocalyptic number.

It is an amenable number.

19219202904 is an abundant number, since it is smaller than the sum of its proper divisors (33196805736).

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

19219202904 is a wasteful number, since it uses less digits than its factorization.

19219202904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72800031 (or 72800027 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 19219202904 in words is "nineteen billion, two hundred nineteen million, two hundred two thousand, nine hundred four".