797268056555489 has 2 divisors, whose sum is σ = 797268056555490. Its totient is φ = 797268056555488.

The previous prime is 797268056555479. The next prime is 797268056555521. The reversal of 797268056555489 is 984555650862797.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 770357122174864 + 26910934380625 = 27755308^2 + 5187575^2 .

It is a cyclic number.

It is not a de Polignac number, because 797268056555489 - 2⁴ = 797268056555473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 797268056555489.

It is not a weakly prime, because it can be changed into another prime (797268056555479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398634028277744 + 398634028277745.

It is an arithmetic number, because the mean of its divisors is an integer number (398634028277745).

Almost surely, 2^{797268056555489} is an apocalyptic number.

It is an amenable number.

797268056555489 is a deficient number, since it is larger than the sum of its proper divisors (1).

797268056555489 is an equidigital number, since it uses as much as digits as its factorization.

797268056555489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45722880000, while the sum is 86.

The spelling of 797268056555489 in words is "seven hundred ninety-seven trillion, two hundred sixty-eight billion, fifty-six million, five hundred fifty-five thousand, four hundred eighty-nine".