268593593 has 2 divisors, whose sum is σ = 268593594. Its totient is φ = 268593592.

The previous prime is 268593581. The next prime is 268593599. The reversal of 268593593 is 395395862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224610169 + 43983424 = 14987^2 + 6632^2 .

It is a cyclic number.

It is not a de Polignac number, because 268593593 - 2⁶ = 268593529 is a prime.

It is not a weakly prime, because it can be changed into another prime (268593599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134296796 + 134296797.

It is an arithmetic number, because the mean of its divisors is an integer number (134296797).

Almost surely, 2^268593593 is an apocalyptic number.

It is an amenable number.

268593593 is a deficient number, since it is larger than the sum of its proper divisors (1).

268593593 is an equidigital number, since it uses as much as digits as its factorization.

268593593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1749600, while the sum is 50.

The square root of 268593593 is about 16388.8252477107. The cubic root of 268593593 is about 645.2062261460.

The spelling of 268593593 in words is "two hundred sixty-eight million, five hundred ninety-three thousand, five hundred ninety-three".