268280339 has 2 divisors, whose sum is σ = 268280340. Its totient is φ = 268280338.

The previous prime is 268280297. The next prime is 268280347. The reversal of 268280339 is 933082862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268280339 - 2¹⁶ = 268214803 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268280296 and 268280305.

It is not a weakly prime, because it can be changed into another prime (268280359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134140169 + 134140170.

It is an arithmetic number, because the mean of its divisors is an integer number (134140170).

Almost surely, 2^268280339 is an apocalyptic number.

268280339 is a deficient number, since it is larger than the sum of its proper divisors (1).

268280339 is an equidigital number, since it uses as much as digits as its factorization.

268280339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 268280339 is about 16379.2655207735. The cubic root of 268280339 is about 644.9552992678.

The spelling of 268280339 in words is "two hundred sixty-eight million, two hundred eighty thousand, three hundred thirty-nine".