32979797138 has 6 divisors (see below), whose sum is σ = 49470080949. Its totient is φ = 16489770156.

The previous prime is 32979797093. The next prime is 32979797159. The reversal of 32979797138 is 83179797923.

It can be written as a sum of positive squares in 2 ways, for example, as 31934762209 + 1045034929 = 178703^2 + 32327^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=128413.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 192620 + ... + 321032.

Almost surely, 2^32979797138 is an apocalyptic number.

32979797138 is a deficient number, since it is larger than the sum of its proper divisors (16490283811).

32979797138 is an frugal number, since it uses more digits than its factorization.

32979797138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256828 (or 128415 counting only the distinct ones).

The product of its digits is 36006768, while the sum is 65.

The spelling of 32979797138 in words is "thirty-two billion, nine hundred seventy-nine million, seven hundred ninety-seven thousand, one hundred thirty-eight".