9663381513 has 16 divisors (see below), whose sum is σ = 15069601600. Its totient is φ = 6103188000.

The previous prime is 9663381503. The next prime is 9663381517. The reversal of 9663381513 is 3151833669.

9663381513 is a `hidden beast` number, since 9 + 6 + 633 + 8 + 1 + 5 + 1 + 3 = 666.

9663381513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9663381513 - 2⁶ = 9663381449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9663381517) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9417988 + ... + 9419013.

It is an arithmetic number, because the mean of its divisors is an integer number (941850100).

Almost surely, 2^9663381513 is an apocalyptic number.

It is an amenable number.

9663381513 is a deficient number, since it is larger than the sum of its proper divisors (5406220087).

9663381513 is a wasteful number, since it uses less digits than its factorization.

9663381513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18837029 (or 18837023 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 9663381513 is about 98302.5000343328. The cubic root of 9663381513 is about 2129.9841677062.

The spelling of 9663381513 in words is "nine billion, six hundred sixty-three million, three hundred eighty-one thousand, five hundred thirteen".