39479305636 has 9 divisors (see below), whose sum is σ = 69089480299. Its totient is φ = 19739454124.

The previous prime is 39479305633. The next prime is 39479305703. The reversal of 39479305636 is 63650397493.

The square root of 39479305636 is 198694.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39479305631) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 347715 + ... + 447061.

Almost surely, 2^39479305636 is an apocalyptic number.

39479305636 is the 198694-th square number.

It is an amenable number.

39479305636 is a deficient number, since it is larger than the sum of its proper divisors (29610174663).

39479305636 is an frugal number, since it uses more digits than its factorization.

39479305636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198698 (or 99349 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 55.

The spelling of 39479305636 in words is "thirty-nine billion, four hundred seventy-nine million, three hundred five thousand, six hundred thirty-six".