9646186225 has 27 divisors (see below), whose sum is σ = 12960723009. Its totient is φ = 7118623200.

The previous prime is 9646186183. The next prime is 9646186237. The reversal of 9646186225 is 5226816469.

The square root of 9646186225 is 98215.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2486318769 + 7159867456 = 49863^2 + 84616^2 .

It is not a de Polignac number, because 9646186225 - 2⁷ = 9646186097 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, 6383220 + ... + 6384730.

Almost surely, 2^9646186225 is an apocalyptic number.

9646186225 is the 98215-th square number.

9646186225 is the 49108-th centered octagonal number.

It is an amenable number.

9646186225 is a deficient number, since it is larger than the sum of its proper divisors (3314536784).

9646186225 is an equidigital number, since it uses as much as digits as its factorization.

9646186225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058 (or 1529 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The cubic root of 9646186225 is about 2128.7200333757.

Multiplying 9646186225 by its sum of digits (49), we get a square (472663125025 = 687505²).

The spelling of 9646186225 in words is "nine billion, six hundred forty-six million, one hundred eighty-six thousand, two hundred twenty-five".