9960613385 has 16 divisors (see below), whose sum is σ = 11987717520. Its totient is φ = 7945205760.

The previous prime is 9960613367. The next prime is 9960613387. The reversal of 9960613385 is 5833160699.

It can be written as a sum of positive squares in 8 ways, for example, as 212605561 + 9748007824 = 14581^2 + 98732^2 .

It is not a de Polignac number, because 9960613385 - 2²⁶ = 9893504521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9960613387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4026509 + ... + 4028981.

It is an arithmetic number, because the mean of its divisors is an integer number (749232345).

Almost surely, 2^9960613385 is an apocalyptic number.

It is an amenable number.

9960613385 is a deficient number, since it is larger than the sum of its proper divisors (2027104135).

9960613385 is a wasteful number, since it uses less digits than its factorization.

9960613385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 9960613385 is about 99802.8726289980. The cubic root of 9960613385 is about 2151.6024386885.

The spelling of 9960613385 in words is "nine billion, nine hundred sixty million, six hundred thirteen thousand, three hundred eighty-five".