8118358613 has 2 divisors, whose sum is σ = 8118358614. Its totient is φ = 8118358612.

The previous prime is 8118358597. The next prime is 8118358649. The reversal of 8118358613 is 3168538118.

8118358613 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6465285649 + 1653072964 = 80407^2 + 40658^2 .

It is a cyclic number.

It is not a de Polignac number, because 8118358613 - 2⁴ = 8118358597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8118358693) 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 as a sum of consecutive naturals, namely, 4059179306 + 4059179307.

It is an arithmetic number, because the mean of its divisors is an integer number (4059179307).

Almost surely, 2^8118358613 is an apocalyptic number.

It is an amenable number.

8118358613 is a deficient number, since it is larger than the sum of its proper divisors (1).

8118358613 is an equidigital number, since it uses as much as digits as its factorization.

8118358613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 44.

The square root of 8118358613 is about 90101.9345685763. The cubic root of 8118358613 is about 2009.8149721185.

The spelling of 8118358613 in words is "eight billion, one hundred eighteen million, three hundred fifty-eight thousand, six hundred thirteen".