268510481297 has 2 divisors, whose sum is σ = 268510481298. Its totient is φ = 268510481296.

The previous prime is 268510481293. The next prime is 268510481413. The reversal of 268510481297 is 792184015862.

268510481297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263645279296 + 4865202001 = 513464^2 + 69751^2 .

It is a cyclic number.

It is not a de Polignac number, because 268510481297 - 2² = 268510481293 is a prime.

It is not a weakly prime, because it can be changed into another prime (268510481293) 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, 134255240648 + 134255240649.

It is an arithmetic number, because the mean of its divisors is an integer number (134255240649).

Almost surely, 2^268510481297 is an apocalyptic number.

It is an amenable number.

268510481297 is a deficient number, since it is larger than the sum of its proper divisors (1).

268510481297 is an equidigital number, since it uses as much as digits as its factorization.

268510481297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 53.

The spelling of 268510481297 in words is "two hundred sixty-eight billion, five hundred ten million, four hundred eighty-one thousand, two hundred ninety-seven".