39039696966 has 32 divisors (see below), whose sum is σ = 78347001600. Its totient is φ = 12968678880.

The previous prime is 39039696923. The next prime is 39039696989. The reversal of 39039696966 is 66969693093.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39039696897 and 39039696906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4003725 + ... + 4013463.

It is an arithmetic number, because the mean of its divisors is an integer number (2448343800).

Almost surely, 2^39039696966 is an apocalyptic number.

39039696966 is an abundant number, since it is smaller than the sum of its proper divisors (39307304634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39039696966 is a wasteful number, since it uses less digits than its factorization.

39039696966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11964.

The product of its (nonzero) digits is 76527504, while the sum is 66.

The spelling of 39039696966 in words is "thirty-nine billion, thirty-nine million, six hundred ninety-six thousand, nine hundred sixty-six".