8948717513 has 4 divisors (see below), whose sum is σ = 8963607828. Its totient is φ = 8933827200.

The previous prime is 8948717509. The next prime is 8948717563. The reversal of 8948717513 is 3157178498.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6450017344 + 2498700169 = 80312^2 + 49987^2 .

It is a cyclic number.

It is not a de Polignac number, because 8948717513 - 2² = 8948717509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8948717563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7444256 + ... + 7445457.

It is an arithmetic number, because the mean of its divisors is an integer number (2240901957).

Almost surely, 2^8948717513 is an apocalyptic number.

It is an amenable number.

8948717513 is a deficient number, since it is larger than the sum of its proper divisors (14890315).

8948717513 is a wasteful number, since it uses less digits than its factorization.

8948717513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14890314.

The product of its digits is 1693440, while the sum is 53.

The square root of 8948717513 is about 94597.6612448743. The cubic root of 8948717513 is about 2076.1254851705.

The spelling of 8948717513 in words is "eight billion, nine hundred forty-eight million, seven hundred seventeen thousand, five hundred thirteen".