39320891612 has 6 divisors (see below), whose sum is σ = 68811560328. Its totient is φ = 19660445804.

The previous prime is 39320891579. The next prime is 39320891633. The reversal of 39320891612 is 21619802393.

39320891612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39320891612² (a number of 22 digits) contains 22 as substring.

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, 4915111448 + ... + 4915111455.

It is an arithmetic number, because the mean of its divisors is an integer number (11468593388).

Almost surely, 2^39320891612 is an apocalyptic number.

It is an amenable number.

39320891612 is a deficient number, since it is larger than the sum of its proper divisors (29490668716).

39320891612 is a wasteful number, since it uses less digits than its factorization.

39320891612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9830222907 (or 9830222905 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 39320891612 in words is "thirty-nine billion, three hundred twenty million, eight hundred ninety-one thousand, six hundred twelve".