6315326393 has 2 divisors, whose sum is σ = 6315326394. Its totient is φ = 6315326392.

The previous prime is 6315326377. The next prime is 6315326399. The reversal of 6315326393 is 3936235136.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5523016489 + 792309904 = 74317^2 + 28148^2 .

It is a cyclic number.

It is not a de Polignac number, because 6315326393 - 2⁴ = 6315326377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6315326393.

It is not a weakly prime, because it can be changed into another prime (6315326399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157663196 + 3157663197.

It is an arithmetic number, because the mean of its divisors is an integer number (3157663197).

Almost surely, 2^6315326393 is an apocalyptic number.

It is an amenable number.

6315326393 is a deficient number, since it is larger than the sum of its proper divisors (1).

6315326393 is an equidigital number, since it uses as much as digits as its factorization.

6315326393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 41.

The square root of 6315326393 is about 79469.0278850824. The cubic root of 6315326393 is about 1848.4112381689.

The spelling of 6315326393 in words is "six billion, three hundred fifteen million, three hundred twenty-six thousand, three hundred ninety-three".