6418317313 has 2 divisors, whose sum is σ = 6418317314. Its totient is φ = 6418317312.

The previous prime is 6418317307. The next prime is 6418317413. The reversal of 6418317313 is 3137138146.

6418317313 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., 3987038449 + 2431278864 = 63143^2 + 49308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6418317313 is a prime.

It is not a weakly prime, because it can be changed into another prime (6418317413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3209158656 + 3209158657.

It is an arithmetic number, because the mean of its divisors is an integer number (3209158657).

Almost surely, 2^6418317313 is an apocalyptic number.

It is an amenable number.

6418317313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6418317313 is an equidigital number, since it uses as much as digits as its factorization.

6418317313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 6418317313 is about 80114.4014082362. The cubic root of 6418317313 is about 1858.4051261845.

The spelling of 6418317313 in words is "six billion, four hundred eighteen million, three hundred seventeen thousand, three hundred thirteen".