19022868512 has 48 divisors (see below), whose sum is σ = 37617592320. Its totient is φ = 9469297152.

The previous prime is 19022868511. The next prime is 19022868563. The reversal of 19022868512 is 21586822091.

It is not an unprimeable number, because it can be changed into a prime (19022868511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9105164 + ... + 9107252.

It is an arithmetic number, because the mean of its divisors is an integer number (783699840).

Almost surely, 2^19022868512 is an apocalyptic number.

It is an amenable number.

19022868512 is a deficient number, since it is larger than the sum of its proper divisors (18594723808).

19022868512 is a wasteful number, since it uses less digits than its factorization.

19022868512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225 (or 3217 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 19022868512 in words is "nineteen billion, twenty-two million, eight hundred sixty-eight thousand, five hundred twelve".