19107068464 has 20 divisors (see below), whose sum is σ = 40385395080. Its totient is φ = 8685031040.

The previous prime is 19107068459. The next prime is 19107068473. The reversal of 19107068464 is 46486070191.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54281269 + ... + 54281620.

It is an arithmetic number, because the mean of its divisors is an integer number (2019269754).

Almost surely, 2^19107068464 is an apocalyptic number.

It is an amenable number.

19107068464 is an abundant number, since it is smaller than the sum of its proper divisors (21278326616).

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

19107068464 is a wasteful number, since it uses less digits than its factorization.

19107068464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108562908 (or 108562902 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 19107068464 in words is "nineteen billion, one hundred seven million, sixty-eight thousand, four hundred sixty-four".