6368436313 has 2 divisors, whose sum is σ = 6368436314. Its totient is φ = 6368436312.

The previous prime is 6368436307. The next prime is 6368436391. The reversal of 6368436313 is 3136348636.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4162443289 + 2205993024 = 64517^2 + 46968^2 .

It is a cyclic number.

It is not a de Polignac number, because 6368436313 - 2⁵ = 6368436281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6368436313.

It is not a weakly prime, because it can be changed into another prime (6368436413) 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, 3184218156 + 3184218157.

It is an arithmetic number, because the mean of its divisors is an integer number (3184218157).

Almost surely, 2^6368436313 is an apocalyptic number.

It is an amenable number.

6368436313 is a deficient number, since it is larger than the sum of its proper divisors (1).

6368436313 is an equidigital number, since it uses as much as digits as its factorization.

6368436313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 43.

The square root of 6368436313 is about 79802.4831255269. The cubic root of 6368436313 is about 1853.5783008199.

The spelling of 6368436313 in words is "six billion, three hundred sixty-eight million, four hundred thirty-six thousand, three hundred thirteen".