268935659 has 2 divisors, whose sum is σ = 268935660. Its totient is φ = 268935658.

The previous prime is 268935643. The next prime is 268935673. The reversal of 268935659 is 956539862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268935659 - 2⁴ = 268935643 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 268935659.

It is not a weakly prime, because it can be changed into another prime (268935679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134467829 + 134467830.

It is an arithmetic number, because the mean of its divisors is an integer number (134467830).

Almost surely, 2^268935659 is an apocalyptic number.

268935659 is a deficient number, since it is larger than the sum of its proper divisors (1).

268935659 is an equidigital number, since it uses as much as digits as its factorization.

268935659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3499200, while the sum is 53.

The square root of 268935659 is about 16399.2578795505. The cubic root of 268935659 is about 645.4800096528.

The spelling of 268935659 in words is "two hundred sixty-eight million, nine hundred thirty-five thousand, six hundred fifty-nine".