19199415992 has 16 divisors (see below), whose sum is σ = 36031149960. Its totient is φ = 9591109344.

The previous prime is 19199415971. The next prime is 19199415997. The reversal of 19199415992 is 29951499191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19199415997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065338 + ... + 1083209.

Almost surely, 2^19199415992 is an apocalyptic number.

It is an amenable number.

19199415992 is a deficient number, since it is larger than the sum of its proper divisors (16831733968).

19199415992 is a wasteful number, since it uses less digits than its factorization.

19199415992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149670 (or 2149666 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 59.

The spelling of 19199415992 in words is "nineteen billion, one hundred ninety-nine million, four hundred fifteen thousand, nine hundred ninety-two".