8917718413 has 2 divisors, whose sum is σ = 8917718414. Its totient is φ = 8917718412.

The previous prime is 8917718393. The next prime is 8917718437. The reversal of 8917718413 is 3148177198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7526950564 + 1390767849 = 86758^2 + 37293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8917718413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8917718213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4458859206 + 4458859207.

It is an arithmetic number, because the mean of its divisors is an integer number (4458859207).

Almost surely, 2^8917718413 is an apocalyptic number.

It is an amenable number.

8917718413 is a deficient number, since it is larger than the sum of its proper divisors (1).

8917718413 is an equidigital number, since it uses as much as digits as its factorization.

8917718413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 49.

The square root of 8917718413 is about 94433.6720296315. The cubic root of 8917718413 is about 2073.7254213765.

The spelling of 8917718413 in words is "eight billion, nine hundred seventeen million, seven hundred eighteen thousand, four hundred thirteen".