9985659325 has 12 divisors (see below), whose sum is σ = 13110583860. Its totient is φ = 7518613760.

The previous prime is 9985659287. The next prime is 9985659401. The reversal of 9985659325 is 5239565899.

It can be written as a sum of positive squares in 6 ways, for example, as 436851801 + 9548807524 = 20901^2 + 97718^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9985659325 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11747410 + ... + 11748259.

It is an arithmetic number, because the mean of its divisors is an integer number (1092548655).

Almost surely, 2^9985659325 is an apocalyptic number.

It is an amenable number.

9985659325 is a deficient number, since it is larger than the sum of its proper divisors (3124924535).

9985659325 is a wasteful number, since it uses less digits than its factorization.

9985659325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23495696 (or 23495691 counting only the distinct ones).

The product of its digits is 26244000, while the sum is 61.

The square root of 9985659325 is about 99928.2708996808. The cubic root of 9985659325 is about 2153.4043290825.

The spelling of 9985659325 in words is "nine billion, nine hundred eighty-five million, six hundred fifty-nine thousand, three hundred twenty-five".