39934622516 has 6 divisors (see below), whose sum is σ = 69885589410. Its totient is φ = 19967311256.

The previous prime is 39934622509. The next prime is 39934622527. The reversal of 39934622516 is 61522643993.

It is a happy number.

39934622516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36775732900 + 3158889616 = 191770^2 + 56204^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4991827811 + ... + 4991827818.

It is an arithmetic number, because the mean of its divisors is an integer number (11647598235).

Almost surely, 2^39934622516 is an apocalyptic number.

It is an amenable number.

39934622516 is a deficient number, since it is larger than the sum of its proper divisors (29950966894).

39934622516 is a wasteful number, since it uses less digits than its factorization.

39934622516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9983655633 (or 9983655631 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 50.

The spelling of 39934622516 in words is "thirty-nine billion, nine hundred thirty-four million, six hundred twenty-two thousand, five hundred sixteen".