19312876899 has 40 divisors (see below), whose sum is σ = 29805726720. Its totient is φ = 12449473200.

The previous prime is 19312876811. The next prime is 19312876901. The reversal of 19312876899 is 99867821391.

It is not a de Polignac number, because 19312876899 - 2⁷ = 19312876771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19312876399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3962434 + ... + 3967304.

It is an arithmetic number, because the mean of its divisors is an integer number (745143168).

Almost surely, 2^19312876899 is an apocalyptic number.

19312876899 is a deficient number, since it is larger than the sum of its proper divisors (10492849821).

19312876899 is a wasteful number, since it uses less digits than its factorization.

19312876899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493 (or 6484 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 63.

The spelling of 19312876899 in words is "nineteen billion, three hundred twelve million, eight hundred seventy-six thousand, eight hundred ninety-nine".