268968737 has 2 divisors, whose sum is σ = 268968738. Its totient is φ = 268968736.

The previous prime is 268968709. The next prime is 268968751. The reversal of 268968737 is 737869862.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205750336 + 63218401 = 14344^2 + 7951^2 .

It is a cyclic number.

It is not a de Polignac number, because 268968737 - 2⁶ = 268968673 is a prime.

It is not a weakly prime, because it can be changed into another prime (268968797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134484368 + 134484369.

It is an arithmetic number, because the mean of its divisors is an integer number (134484369).

Almost surely, 2^268968737 is an apocalyptic number.

It is an amenable number.

268968737 is a deficient number, since it is larger than the sum of its proper divisors (1).

268968737 is an equidigital number, since it uses as much as digits as its factorization.

268968737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 56.

The square root of 268968737 is about 16400.2663697880. The cubic root of 268968737 is about 645.5064723794.

The spelling of 268968737 in words is "two hundred sixty-eight million, nine hundred sixty-eight thousand, seven hundred thirty-seven".