19308140996 has 12 divisors (see below), whose sum is σ = 33960767148. Its totient is φ = 9605064672.

The previous prime is 19308140987. The next prime is 19308141023. The reversal of 19308140996 is 69904180391.

It can be written as a sum of positive squares in 2 ways, for example, as 10219188100 + 9088952896 = 101090^2 + 95336^2 .

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, 12250571 + ... + 12252146.

It is an arithmetic number, because the mean of its divisors is an integer number (2830063929).

Almost surely, 2^19308140996 is an apocalyptic number.

It is an amenable number.

19308140996 is a deficient number, since it is larger than the sum of its proper divisors (14652626152).

19308140996 is a wasteful number, since it uses less digits than its factorization.

19308140996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24502918 (or 24502916 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The spelling of 19308140996 in words is "nineteen billion, three hundred eight million, one hundred forty thousand, nine hundred ninety-six".