8516286913 has 24 divisors (see below), whose sum is σ = 9205600320. Its totient is φ = 7855182720.

The previous prime is 8516286907. The next prime is 8516286931. The reversal of 8516286913 is 3196826158.

It is a de Polignac number, because none of the positive numbers 2^k-8516286913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8516286313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10685031 + ... + 10685827.

It is an arithmetic number, because the mean of its divisors is an integer number (383566680).

Almost surely, 2^8516286913 is an apocalyptic number.

It is an amenable number.

8516286913 is a deficient number, since it is larger than the sum of its proper divisors (689313407).

8516286913 is an equidigital number, since it uses as much as digits as its factorization.

8516286913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 976 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The square root of 8516286913 is about 92283.7304891821. The cubic root of 8516286913 is about 2042.1302009057.

The spelling of 8516286913 in words is "eight billion, five hundred sixteen million, two hundred eighty-six thousand, nine hundred thirteen".