9930404025 has 36 divisors (see below), whose sum is σ = 18399795180. Its totient is φ = 5113584000.

The previous prime is 9930404023. The next prime is 9930404027. The reversal of 9930404025 is 5204040399.

9930404025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9930404023) and next prime (9930404027).

It can be written as a sum of positive squares in 6 ways, for example, as 1016589456 + 8913814569 = 31884^2 + 94413^2 .

It is not a de Polignac number, because 9930404025 - 2¹ = 9930404023 is a prime.

It is a super-2 number, since 2×9930404025² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9930404023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 754426 + ... + 767475.

Almost surely, 2^9930404025 is an apocalyptic number.

It is an amenable number.

9930404025 is a deficient number, since it is larger than the sum of its proper divisors (8469391155).

9930404025 is a wasteful number, since it uses less digits than its factorization.

9930404025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521946 (or 1521938 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 9930404025 is about 99651.4125589798. The cubic root of 9930404025 is about 2149.4250508770.

The spelling of 9930404025 in words is "nine billion, nine hundred thirty million, four hundred four thousand, twenty-five".