39099921170 has 16 divisors (see below), whose sum is σ = 70410754008. Its totient is φ = 15633102720.

The previous prime is 39099921167. The next prime is 39099921193. The reversal of 39099921170 is 7112999093.

It is a Cunningham number, because it is equal to 197737²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 39038251561 + 61669609 = 197581^2 + 7853^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 834269 + ... + 879888.

Almost surely, 2^39099921170 is an apocalyptic number.

39099921170 is a deficient number, since it is larger than the sum of its proper divisors (31310832838).

39099921170 is a wasteful number, since it uses less digits than its factorization.

39099921170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716445.

The product of its (nonzero) digits is 275562, while the sum is 50.

The spelling of 39099921170 in words is "thirty-nine billion, ninety-nine million, nine hundred twenty-one thousand, one hundred seventy".