9939691204 has 27 divisors (see below), whose sum is σ = 17645393871. Its totient is φ = 4899159720.

The previous prime is 9939691193. The next prime is 9939691243. The reversal of 9939691204 is 4021969399.

The square root of 9939691204 is 99698.

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

It is a super-2 number, since 2×9939691204² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15751969 + ... + 15752599.

Almost surely, 2^9939691204 is an apocalyptic number.

9939691204 is the 99698-th square number.

It is an amenable number.

9939691204 is a deficient number, since it is larger than the sum of its proper divisors (7705702667).

9939691204 is an frugal number, since it uses more digits than its factorization.

9939691204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 52.

The cubic root of 9939691204 is about 2150.0949086641.

The spelling of 9939691204 in words is "nine billion, nine hundred thirty-nine million, six hundred ninety-one thousand, two hundred four".