9659738615 has 12 divisors (see below), whose sum is σ = 12005188104. Its totient is φ = 7461312096.

The previous prime is 9659738611. The next prime is 9659738639. The reversal of 9659738615 is 5168379569.

It is not a de Polignac number, because 9659738615 - 2² = 9659738611 is a prime.

It is a super-2 number, since 2×9659738615² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9659738611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1144397 + ... + 1152806.

It is an arithmetic number, because the mean of its divisors is an integer number (1000432342).

Almost surely, 2^9659738615 is an apocalyptic number.

9659738615 is a deficient number, since it is larger than the sum of its proper divisors (2345449489).

9659738615 is a wasteful number, since it uses less digits than its factorization.

9659738615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2297266 (or 2297237 counting only the distinct ones).

The product of its digits is 12247200, while the sum is 59.

The square root of 9659738615 is about 98283.9692676278. The cubic root of 9659738615 is about 2129.7164805171.

The spelling of 9659738615 in words is "nine billion, six hundred fifty-nine million, seven hundred thirty-eight thousand, six hundred fifteen".