39976941313 has 4 divisors (see below), whose sum is σ = 39994035120. Its totient is φ = 39959847508.

The previous prime is 39976941253. The next prime is 39976941331. The reversal of 39976941313 is 31314967993.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39976941313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39976941353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8543395 + ... + 8548072.

It is an arithmetic number, because the mean of its divisors is an integer number (9998508780).

Almost surely, 2^39976941313 is an apocalyptic number.

It is an amenable number.

39976941313 is a deficient number, since it is larger than the sum of its proper divisors (17093807).

39976941313 is a wasteful number, since it uses less digits than its factorization.

39976941313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17093806.

The product of its digits is 3306744, while the sum is 55.

The spelling of 39976941313 in words is "thirty-nine billion, nine hundred seventy-six million, nine hundred forty-one thousand, three hundred thirteen".