39684973448 has 32 divisors (see below), whose sum is σ = 75529609920. Its totient is φ = 19544280000.

The previous prime is 39684973397. The next prime is 39684973459. The reversal of 39684973448 is 84437948693.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569723 + ... + 635573.

It is an arithmetic number, because the mean of its divisors is an integer number (2360300310).

Almost surely, 2^39684973448 is an apocalyptic number.

It is an amenable number.

39684973448 is a deficient number, since it is larger than the sum of its proper divisors (35844636472).

39684973448 is a wasteful number, since it uses less digits than its factorization.

39684973448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66989 (or 66985 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 65.

The spelling of 39684973448 in words is "thirty-nine billion, six hundred eighty-four million, nine hundred seventy-three thousand, four hundred forty-eight".