268833709 has 2 divisors, whose sum is σ = 268833710. Its totient is φ = 268833708.

The previous prime is 268833707. The next prime is 268833713. The reversal of 268833709 is 907338862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174160809 + 94672900 = 13197^2 + 9730^2 .

It is a cyclic number.

It is not a de Polignac number, because 268833709 - 2¹ = 268833707 is a prime.

Together with 268833707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268833703) 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, 134416854 + 134416855.

It is an arithmetic number, because the mean of its divisors is an integer number (134416855).

Almost surely, 2^268833709 is an apocalyptic number.

It is an amenable number.

268833709 is a deficient number, since it is larger than the sum of its proper divisors (1).

268833709 is an equidigital number, since it uses as much as digits as its factorization.

268833709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 268833709 is about 16396.1492125438. The cubic root of 268833709 is about 645.3984349936.

The spelling of 268833709 in words is "two hundred sixty-eight million, eight hundred thirty-three thousand, seven hundred nine".