9979504432 has 20 divisors (see below), whose sum is σ = 19857866416. Its totient is φ = 4854893760.

The previous prime is 9979504429. The next prime is 9979504453. The reversal of 9979504432 is 2344059799.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9979504432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8428044 + ... + 8429227.

Almost surely, 2^9979504432 is an apocalyptic number.

It is an amenable number.

9979504432 is a deficient number, since it is larger than the sum of its proper divisors (9878361984).

9979504432 is a wasteful number, since it uses less digits than its factorization.

9979504432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16857316 (or 16857310 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The square root of 9979504432 is about 99897.4695975829. The cubic root of 9979504432 is about 2152.9618045626.

The spelling of 9979504432 in words is "nine billion, nine hundred seventy-nine million, five hundred four thousand, four hundred thirty-two".