767313813613 has 2 divisors, whose sum is σ = 767313813614. Its totient is φ = 767313813612.

The previous prime is 767313813569. The next prime is 767313813647. The reversal of 767313813613 is 316318313767.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761802532969 + 5511280644 = 872813^2 + 74238^2 .

It is a cyclic number.

It is not a de Polignac number, because 767313813613 - 2²¹ = 767311716461 is a prime.

It is a super-2 number, since 2×767313813613² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (767313816613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383656906806 + 383656906807.

It is an arithmetic number, because the mean of its divisors is an integer number (383656906807).

Almost surely, 2^767313813613 is an apocalyptic number.

It is an amenable number.

767313813613 is a deficient number, since it is larger than the sum of its proper divisors (1).

767313813613 is an equidigital number, since it uses as much as digits as its factorization.

767313813613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 49.

The spelling of 767313813613 in words is "seven hundred sixty-seven billion, three hundred thirteen million, eight hundred thirteen thousand, six hundred thirteen".