268744339 has 2 divisors, whose sum is σ = 268744340. Its totient is φ = 268744338.

The previous prime is 268744337. The next prime is 268744361. The reversal of 268744339 is 933447862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268744339 - 2¹ = 268744337 is a prime.

Together with 268744337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (268744331) 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, 134372169 + 134372170.

It is an arithmetic number, because the mean of its divisors is an integer number (134372170).

Almost surely, 2^268744339 is an apocalyptic number.

268744339 is a deficient number, since it is larger than the sum of its proper divisors (1).

268744339 is an equidigital number, since it uses as much as digits as its factorization.

268744339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The square root of 268744339 is about 16393.4236509644. The cubic root of 268744339 is about 645.3269091780.

It can be divided in two parts, 26874 and 4339, that added together give a palindrome (31213).

The spelling of 268744339 in words is "two hundred sixty-eight million, seven hundred forty-four thousand, three hundred thirty-nine".