268710813797 has 2 divisors, whose sum is σ = 268710813798. Its totient is φ = 268710813796.

The previous prime is 268710813793. The next prime is 268710813841. The reversal of 268710813797 is 797318017862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266828034916 + 1882778881 = 516554^2 + 43391^2 .

It is a cyclic number.

It is not a de Polignac number, because 268710813797 - 2² = 268710813793 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268710813793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134355406898 + 134355406899.

It is an arithmetic number, because the mean of its divisors is an integer number (134355406899).

Almost surely, 2^268710813797 is an apocalyptic number.

It is an amenable number.

268710813797 is a deficient number, since it is larger than the sum of its proper divisors (1).

268710813797 is an equidigital number, since it uses as much as digits as its factorization.

268710813797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7112448, while the sum is 59.

The spelling of 268710813797 in words is "two hundred sixty-eight billion, seven hundred ten million, eight hundred thirteen thousand, seven hundred ninety-seven".