6398347313 has 2 divisors, whose sum is σ = 6398347314. Its totient is φ = 6398347312.

The previous prime is 6398347247. The next prime is 6398347349. The reversal of 6398347313 is 3137438936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5608062769 + 790284544 = 74887^2 + 28112^2 .

It is a cyclic number.

It is not a de Polignac number, because 6398347313 - 2⁸ = 6398347057 is a prime.

It is not a weakly prime, because it can be changed into another prime (6398347013) 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, 3199173656 + 3199173657.

It is an arithmetic number, because the mean of its divisors is an integer number (3199173657).

Almost surely, 2^6398347313 is an apocalyptic number.

It is an amenable number.

6398347313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6398347313 is an equidigital number, since it uses as much as digits as its factorization.

6398347313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 47.

The square root of 6398347313 is about 79989.6700393245. The cubic root of 6398347313 is about 1856.4757052383.

The spelling of 6398347313 in words is "six billion, three hundred ninety-eight million, three hundred forty-seven thousand, three hundred thirteen".