19867034032 has 20 divisors (see below), whose sum is σ = 39066893656. Its totient is φ = 9785255040.

The previous prime is 19867033999. The next prime is 19867034059. The reversal of 19867034032 is 23043076891.

It is a self number, because there is not a number n which added to its sum of digits gives 19867034032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9265269 + ... + 9267412.

Almost surely, 2^19867034032 is an apocalyptic number.

It is an amenable number.

19867034032 is a deficient number, since it is larger than the sum of its proper divisors (19199859624).

19867034032 is a wasteful number, since it uses less digits than its factorization.

19867034032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18532756 (or 18532750 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 19867034032 in words is "nineteen billion, eight hundred sixty-seven million, thirty-four thousand, thirty-two".