6312543613 has 2 divisors, whose sum is σ = 6312543614. Its totient is φ = 6312543612.

The previous prime is 6312543599. The next prime is 6312543617. The reversal of 6312543613 is 3163452136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5435080729 + 877462884 = 73723^2 + 29622^2 .

It is a cyclic number.

It is not a de Polignac number, because 6312543613 - 2²⁵ = 6278989181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6312543617) 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, 3156271806 + 3156271807.

It is an arithmetic number, because the mean of its divisors is an integer number (3156271807).

Almost surely, 2^6312543613 is an apocalyptic number.

It is an amenable number.

6312543613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6312543613 is an equidigital number, since it uses as much as digits as its factorization.

6312543613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 34.

The square root of 6312543613 is about 79451.5173738048. The cubic root of 6312543613 is about 1848.1397041685.

Adding to 6312543613 its reverse (3163452136), we get a palindrome (9475995749).

The spelling of 6312543613 in words is "six billion, three hundred twelve million, five hundred forty-three thousand, six hundred thirteen".