6377312917 has 2 divisors, whose sum is σ = 6377312918. Its totient is φ = 6377312916.

The previous prime is 6377312881. The next prime is 6377312951. The reversal of 6377312917 is 7192137736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6035580721 + 341732196 = 77689^2 + 18486^2 .

It is a cyclic number.

It is not a de Polignac number, because 6377312917 - 2⁷ = 6377312789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6377312987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3188656458 + 3188656459.

It is an arithmetic number, because the mean of its divisors is an integer number (3188656459).

Almost surely, 2^6377312917 is an apocalyptic number.

It is an amenable number.

6377312917 is a deficient number, since it is larger than the sum of its proper divisors (1).

6377312917 is an equidigital number, since it uses as much as digits as its factorization.

6377312917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 333396, while the sum is 46.

The square root of 6377312917 is about 79858.0798479402. The cubic root of 6377312917 is about 1854.4391004019.

The spelling of 6377312917 in words is "six billion, three hundred seventy-seven million, three hundred twelve thousand, nine hundred seventeen".