9659941225 has 27 divisors (see below), whose sum is σ = 13173632311. Its totient is φ = 7021480400.

The previous prime is 9659941201. The next prime is 9659941261. The reversal of 9659941225 is 5221499569.

The square root of 9659941225 is 98285.

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

9659941225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3477578841 + 6182362384 = 58971^2 + 78628^2 .

It is not a de Polignac number, because 9659941225 - 2¹⁹ = 9659416937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5404782 + ... + 5406568.

Almost surely, 2^9659941225 is an apocalyptic number.

9659941225 is the 98285-th square number.

9659941225 is the 49143-rd centered octagonal number.

It is an amenable number.

9659941225 is a deficient number, since it is larger than the sum of its proper divisors (3513691086).

9659941225 is an equidigital number, since it uses as much as digits as its factorization.

9659941225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606 (or 1803 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 52.

The cubic root of 9659941225 is about 2129.7313704589.

The spelling of 9659941225 in words is "nine billion, six hundred fifty-nine million, nine hundred forty-one thousand, two hundred twenty-five".