39149697604 has 6 divisors (see below), whose sum is σ = 68511970814. Its totient is φ = 19574848800.

The previous prime is 39149697599. The next prime is 39149697607. The reversal of 39149697604 is 40679694193.

It can be written as a sum of positive squares in only one way, i.e., 38494440000 + 655257604 = 196200^2 + 25598^2 .

It is not an unprimeable number, because it can be changed into a prime (39149697607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4893712197 + ... + 4893712204.

Almost surely, 2^39149697604 is an apocalyptic number.

It is an amenable number.

39149697604 is a deficient number, since it is larger than the sum of its proper divisors (29362273210).

39149697604 is a wasteful number, since it uses less digits than its factorization.

39149697604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9787424405 (or 9787424403 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 39149697604 in words is "thirty-nine billion, one hundred forty-nine million, six hundred ninety-seven thousand, six hundred four".