19312807017 has 32 divisors (see below), whose sum is σ = 30047496192. Its totient is φ = 10805946624.

The previous prime is 19312806983. The next prime is 19312807037. The reversal of 19312807017 is 71070821391.

It is not a de Polignac number, because 19312807017 - 2⁷ = 19312806889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19312807037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193873 + ... + 276065.

It is an arithmetic number, because the mean of its divisors is an integer number (938984256).

Almost surely, 2^19312807017 is an apocalyptic number.

It is an amenable number.

19312807017 is a deficient number, since it is larger than the sum of its proper divisors (10734689175).

19312807017 is a wasteful number, since it uses less digits than its factorization.

19312807017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82437.

The product of its (nonzero) digits is 21168, while the sum is 39.

The spelling of 19312807017 in words is "nineteen billion, three hundred twelve million, eight hundred seven thousand, seventeen".