268940299 has 2 divisors, whose sum is σ = 268940300. Its totient is φ = 268940298.

The previous prime is 268940267. The next prime is 268940303. The reversal of 268940299 is 992049862.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268940299 - 2⁵ = 268940267 is a prime.

It is not a weakly prime, because it can be changed into another prime (268940239) 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, 134470149 + 134470150.

It is an arithmetic number, because the mean of its divisors is an integer number (134470150).

Almost surely, 2^268940299 is an apocalyptic number.

268940299 is a deficient number, since it is larger than the sum of its proper divisors (1).

268940299 is an equidigital number, since it uses as much as digits as its factorization.

268940299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 268940299 is about 16399.3993487566. The cubic root of 268940299 is about 645.4837218295.

The spelling of 268940299 in words is "two hundred sixty-eight million, nine hundred forty thousand, two hundred ninety-nine".