39893354372 has 6 divisors (see below), whose sum is σ = 69813370158. Its totient is φ = 19946677184.

The previous prime is 39893354357. The next prime is 39893354441. The reversal of 39893354372 is 27345339893.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39801846016 + 91508356 = 199504^2 + 9566^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986669293 + ... + 4986669300.

It is an arithmetic number, because the mean of its divisors is an integer number (11635561693).

Almost surely, 2^39893354372 is an apocalyptic number.

It is an amenable number.

39893354372 is a deficient number, since it is larger than the sum of its proper divisors (29920015786).

39893354372 is a wasteful number, since it uses less digits than its factorization.

39893354372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9973338597 (or 9973338595 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 56.

The spelling of 39893354372 in words is "thirty-nine billion, eight hundred ninety-three million, three hundred fifty-four thousand, three hundred seventy-two".