39359536993 has 6 divisors (see below), whose sum is σ = 45785583906. Its totient is φ = 33736745952.

The previous prime is 39359536961. The next prime is 39359537017. The reversal of 39359536993 is 39963595393.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22641822784 + 16717714209 = 150472^2 + 129297^2 .

It is not a de Polignac number, because 39359536993 - 2⁵ = 39359536961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39359536693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401627880 + ... + 401627977.

It is an arithmetic number, because the mean of its divisors is an integer number (7630930651).

Almost surely, 2^39359536993 is an apocalyptic number.

It is an amenable number.

39359536993 is a deficient number, since it is larger than the sum of its proper divisors (6426046913).

39359536993 is an equidigital number, since it uses as much as digits as its factorization.

39359536993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803255871 (or 803255864 counting only the distinct ones).

The product of its digits is 79716150, while the sum is 64.

The spelling of 39359536993 in words is "thirty-nine billion, three hundred fifty-nine million, five hundred thirty-six thousand, nine hundred ninety-three".