6775321599617 has 2 divisors, whose sum is σ = 6775321599618. Its totient is φ = 6775321599616.

The previous prime is 6775321599601. The next prime is 6775321599637. The reversal of 6775321599617 is 7169951235776.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6766220630416 + 9100969201 = 2601196^2 + 95399^2 .

It is a cyclic number.

It is not a de Polignac number, because 6775321599617 - 2⁴ = 6775321599601 is a prime.

It is not a weakly prime, because it can be changed into another prime (6775321599637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3387660799808 + 3387660799809.

It is an arithmetic number, because the mean of its divisors is an integer number (3387660799809).

Almost surely, 2^{6775321599617} is an apocalyptic number.

It is an amenable number.

6775321599617 is a deficient number, since it is larger than the sum of its proper divisors (1).

6775321599617 is an equidigital number, since it uses as much as digits as its factorization.

6775321599617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150028200, while the sum is 68.

The spelling of 6775321599617 in words is "six trillion, seven hundred seventy-five billion, three hundred twenty-one million, five hundred ninety-nine thousand, six hundred seventeen".