39934622517 has 8 divisors (see below), whose sum is σ = 53294972640. Its totient is φ = 26598677040.

The previous prime is 39934622509. The next prime is 39934622527. The reversal of 39934622517 is 71522643993.

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

It is not a de Polignac number, because 39934622517 - 2³ = 39934622509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39934622517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39934622527) 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 7 ways as a sum of consecutive naturals, for example, 6097342 + ... + 6103887.

It is an arithmetic number, because the mean of its divisors is an integer number (6661871580).

Almost surely, 2^39934622517 is an apocalyptic number.

It is an amenable number.

39934622517 is a deficient number, since it is larger than the sum of its proper divisors (13360350123).

39934622517 is a wasteful number, since it uses less digits than its factorization.

39934622517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12202323.

The product of its digits is 2449440, while the sum is 51.

The spelling of 39934622517 in words is "thirty-nine billion, nine hundred thirty-four million, six hundred twenty-two thousand, five hundred seventeen".