9908424495225 has 27 divisors (see below), whose sum is σ = 17747173777359. Its totient is φ = 5284467882000.

The previous prime is 9908424495187. The next prime is 9908424495247. The reversal of 9908424495225 is 5225944248099.

The square root of 9908424495225 is 3147765.

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

9908424495225 is a `hidden beast` number, since 9 + 9 + 0 + 84 + 24 + 4 + 9 + 522 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3567032818281 + 6341391676944 = 1888659^2 + 2518212^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9908424495225 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 47111550 + ... + 47321400.

Almost surely, 2^{9908424495225} is an apocalyptic number.

9908424495225 is the 3147765-th square number.

9908424495225 is the 1573883-rd centered octagonal number.

It is an amenable number.

9908424495225 is a deficient number, since it is larger than the sum of its proper divisors (7838749282134).

9908424495225 is an frugal number, since it uses more digits than its factorization.

9908424495225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419718 (or 209859 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 63.

The spelling of 9908424495225 in words is "nine trillion, nine hundred eight billion, four hundred twenty-four million, four hundred ninety-five thousand, two hundred twenty-five".