6775317649487 has 2 divisors, whose sum is σ = 6775317649488. Its totient is φ = 6775317649486.

The previous prime is 6775317649453. The next prime is 6775317649501. The reversal of 6775317649487 is 7849467135776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6775317649487 - 2⁶ = 6775317649423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6775317649427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3387658824743 + 3387658824744.

It is an arithmetic number, because the mean of its divisors is an integer number (3387658824744).

Almost surely, 2^{6775317649487} is an apocalyptic number.

6775317649487 is a deficient number, since it is larger than the sum of its proper divisors (1).

6775317649487 is an equidigital number, since it uses as much as digits as its factorization.

6775317649487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1493614080, while the sum is 74.

The spelling of 6775317649487 in words is "six trillion, seven hundred seventy-five billion, three hundred seventeen million, six hundred forty-nine thousand, four hundred eighty-seven".