39912920934 has 8 divisors (see below), whose sum is σ = 79825841880. Its totient is φ = 13304306976.

The previous prime is 39912920897. The next prime is 39912920959. The reversal of 39912920934 is 43902921993.

It is a happy number.

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

39912920934 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3326076739 + ... + 3326076750.

It is an arithmetic number, because the mean of its divisors is an integer number (9978230235).

Almost surely, 2^39912920934 is an apocalyptic number.

39912920934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

39912920934 is a wasteful number, since it uses less digits than its factorization.

39912920934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6652153494.

The product of its (nonzero) digits is 944784, while the sum is 51.

The spelling of 39912920934 in words is "thirty-nine billion, nine hundred twelve million, nine hundred twenty thousand, nine hundred thirty-four".