6931846465613 has 2 divisors, whose sum is σ = 6931846465614. Its totient is φ = 6931846465612.

The previous prime is 6931846465573. The next prime is 6931846465651. The reversal of 6931846465613 is 3165646481396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4735750687684 + 2196095777929 = 2176178^2 + 1481923^2 .

It is a cyclic number.

It is not a de Polignac number, because 6931846465613 - 2¹² = 6931846461517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6931846465513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3465923232806 + 3465923232807.

It is an arithmetic number, because the mean of its divisors is an integer number (3465923232807).

Almost surely, 2^{6931846465613} is an apocalyptic number.

It is an amenable number.

6931846465613 is a deficient number, since it is larger than the sum of its proper divisors (1).

6931846465613 is an equidigital number, since it uses as much as digits as its factorization.

6931846465613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67184640, while the sum is 62.

The spelling of 6931846465613 in words is "six trillion, nine hundred thirty-one billion, eight hundred forty-six million, four hundred sixty-five thousand, six hundred thirteen".