9979049625 has 16 divisors (see below), whose sum is σ = 16605139200. Its totient is φ = 5322159600.

The previous prime is 9979049621. The next prime is 9979049653. The reversal of 9979049625 is 5269409799.

9979049625 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9979049625 - 2² = 9979049621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9979049621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13305025 + ... + 13305774.

It is an arithmetic number, because the mean of its divisors is an integer number (1037821200).

Almost surely, 2^9979049625 is an apocalyptic number.

It is an amenable number.

9979049625 is a deficient number, since it is larger than the sum of its proper divisors (6626089575).

9979049625 is a wasteful number, since it uses less digits than its factorization.

9979049625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26610817 (or 26610807 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 60.

The square root of 9979049625 is about 99895.1932026762. The cubic root of 9979049625 is about 2152.9290976287.

The spelling of 9979049625 in words is "nine billion, nine hundred seventy-nine million, forty-nine thousand, six hundred twenty-five".