268966349 has 2 divisors, whose sum is σ = 268966350. Its totient is φ = 268966348.

The previous prime is 268966343. The next prime is 268966351. The reversal of 268966349 is 943669862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193710724 + 75255625 = 13918^2 + 8675^2 .

It is a cyclic number.

It is not a de Polignac number, because 268966349 - 2¹⁶ = 268900813 is a prime.

It is a Sophie Germain prime.

Together with 268966351, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 268966349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268966343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134483174 + 134483175.

It is an arithmetic number, because the mean of its divisors is an integer number (134483175).

Almost surely, 2^268966349 is an apocalyptic number.

It is an amenable number.

268966349 is a deficient number, since it is larger than the sum of its proper divisors (1).

268966349 is an equidigital number, since it uses as much as digits as its factorization.

268966349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 53.

The square root of 268966349 is about 16400.1935659309. The cubic root of 268966349 is about 645.5045620285.

The spelling of 268966349 in words is "two hundred sixty-eight million, nine hundred sixty-six thousand, three hundred forty-nine".