39199239937 has 16 divisors (see below), whose sum is σ = 46075764672. Its totient is φ = 32877673920.

The previous prime is 39199239913. The next prime is 39199239983. The reversal of 39199239937 is 73993299193.

It is not a de Polignac number, because 39199239937 - 2²⁷ = 39065022209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39199239997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215163 + ... + 353119.

It is an arithmetic number, because the mean of its divisors is an integer number (2879735292).

Almost surely, 2^39199239937 is an apocalyptic number.

It is an amenable number.

39199239937 is a deficient number, since it is larger than the sum of its proper divisors (6876524735).

39199239937 is a wasteful number, since it uses less digits than its factorization.

39199239937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139968.

The product of its digits is 22320522, while the sum is 64.

The spelling of 39199239937 in words is "thirty-nine billion, one hundred ninety-nine million, two hundred thirty-nine thousand, nine hundred thirty-seven".