39597797522 has 8 divisors (see below), whose sum is σ = 59724855372. Its totient is φ = 19689512400.

The previous prime is 39597797521. The next prime is 39597797527. The reversal of 39597797522 is 22579779593.

It can be written as a sum of positive squares in 2 ways, for example, as 39521042401 + 76755121 = 198799^2 + 8761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (39597797521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54692729 + ... + 54693452.

Almost surely, 2^39597797522 is an apocalyptic number.

39597797522 is a deficient number, since it is larger than the sum of its proper divisors (20127057850).

39597797522 is a wasteful number, since it uses less digits than its factorization.

39597797522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109386364.

The product of its digits is 75014100, while the sum is 65.

The spelling of 39597797522 in words is "thirty-nine billion, five hundred ninety-seven million, seven hundred ninety-seven thousand, five hundred twenty-two".