268096068257 has 2 divisors, whose sum is σ = 268096068258. Its totient is φ = 268096068256.

The previous prime is 268096068211. The next prime is 268096068283. The reversal of 268096068257 is 752860690862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265715506576 + 2380561681 = 515476^2 + 48791^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268096068257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268096068196 and 268096068205.

It is not a weakly prime, because it can be changed into another prime (268096068287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134048034128 + 134048034129.

It is an arithmetic number, because the mean of its divisors is an integer number (134048034129).

Almost surely, 2^268096068257 is an apocalyptic number.

It is an amenable number.

268096068257 is a deficient number, since it is larger than the sum of its proper divisors (1).

268096068257 is an equidigital number, since it uses as much as digits as its factorization.

268096068257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 59.

The spelling of 268096068257 in words is "two hundred sixty-eight billion, ninety-six million, sixty-eight thousand, two hundred fifty-seven".