6313421087957 has 2 divisors, whose sum is σ = 6313421087958. Its totient is φ = 6313421087956.

The previous prime is 6313421087887. The next prime is 6313421087977. The reversal of 6313421087957 is 7597801243136.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4976620335556 + 1336800752401 = 2230834^2 + 1156201^2 .

It is a cyclic number.

It is not a de Polignac number, because 6313421087957 - 2¹⁰ = 6313421086933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6313421087977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3156710543978 + 3156710543979.

It is an arithmetic number, because the mean of its divisors is an integer number (3156710543979).

It is a 1-persistent number, because it is pandigital, but 2⋅6313421087957 = 12626842175914 is not.

Almost surely, 2^{6313421087957} is an apocalyptic number.

It is an amenable number.

6313421087957 is a deficient number, since it is larger than the sum of its proper divisors (1).

6313421087957 is an equidigital number, since it uses as much as digits as its factorization.

6313421087957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 6313421087957 in words is "six trillion, three hundred thirteen billion, four hundred twenty-one million, eighty-seven thousand, nine hundred fifty-seven".