9638393013 has 16 divisors (see below), whose sum is σ = 14474707840. Its totient is φ = 6337572192.

The previous prime is 9638393003. The next prime is 9638393047. The reversal of 9638393013 is 3103938369.

9638393013 is a `hidden beast` number, since 9 + 638 + 3 + 9 + 3 + 0 + 1 + 3 = 666.

It is not a de Polignac number, because 9638393013 - 2⁹ = 9638392501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9638393013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9638393003) 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, 2443081 + ... + 2447022.

It is an arithmetic number, because the mean of its divisors is an integer number (904669240).

Almost surely, 2^9638393013 is an apocalyptic number.

It is an amenable number.

9638393013 is a deficient number, since it is larger than the sum of its proper divisors (4836314827).

9638393013 is a wasteful number, since it uses less digits than its factorization.

9638393013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890185 (or 4890179 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The square root of 9638393013 is about 98175.3177382177. The cubic root of 9638393013 is about 2128.1466103416.

The spelling of 9638393013 in words is "nine billion, six hundred thirty-eight million, three hundred ninety-three thousand, thirteen".