39638376172 has 12 divisors (see below), whose sum is σ = 69375198816. Its totient is φ = 19816890800.

The previous prime is 39638376139. The next prime is 39638376191. The reversal of 39638376172 is 27167383693.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 535204 + ... + 604747.

It is an arithmetic number, because the mean of its divisors is an integer number (5781266568).

Almost surely, 2^39638376172 is an apocalyptic number.

It is an amenable number.

39638376172 is a deficient number, since it is larger than the sum of its proper divisors (29736822644).

39638376172 is a wasteful number, since it uses less digits than its factorization.

39638376172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148648 (or 1148646 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 55.

The spelling of 39638376172 in words is "thirty-nine billion, six hundred thirty-eight million, three hundred seventy-six thousand, one hundred seventy-two".