613316691137 has 2 divisors, whose sum is σ = 613316691138. Its totient is φ = 613316691136.

The previous prime is 613316691077. The next prime is 613316691203. The reversal of 613316691137 is 731196613316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 613157905936 + 158785201 = 783044^2 + 12601^2 .

It is a cyclic number.

It is not a de Polignac number, because 613316691137 - 2⁶ = 613316691073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 613316691091 and 613316691100.

It is not a weakly prime, because it can be changed into another prime (613316697137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306658345568 + 306658345569.

It is an arithmetic number, because the mean of its divisors is an integer number (306658345569).

Almost surely, 2^613316691137 is an apocalyptic number.

It is an amenable number.

613316691137 is a deficient number, since it is larger than the sum of its proper divisors (1).

613316691137 is an equidigital number, since it uses as much as digits as its factorization.

613316691137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 47.

The spelling of 613316691137 in words is "six hundred thirteen billion, three hundred sixteen million, six hundred ninety-one thousand, one hundred thirty-seven".