19119009928 has 32 divisors (see below), whose sum is σ = 36217964160. Its totient is φ = 9460964800.

The previous prime is 19119009913. The next prime is 19119009953. The reversal of 19119009928 is 82990091191.

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, 3865425 + ... + 3870367.

It is an arithmetic number, because the mean of its divisors is an integer number (1131811380).

Almost surely, 2^19119009928 is an apocalyptic number.

It is an amenable number.

19119009928 is a deficient number, since it is larger than the sum of its proper divisors (17098954232).

19119009928 is a wasteful number, since it uses less digits than its factorization.

19119009928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9837 (or 9833 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 49.

The spelling of 19119009928 in words is "nineteen billion, one hundred nineteen million, nine thousand, nine hundred twenty-eight".