268915039 has 2 divisors, whose sum is σ = 268915040. Its totient is φ = 268915038.

The previous prime is 268915021. The next prime is 268915063. The reversal of 268915039 is 930519862.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268915039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268914986 and 268915004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268913039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134457519 + 134457520.

It is an arithmetic number, because the mean of its divisors is an integer number (134457520).

Almost surely, 2^268915039 is an apocalyptic number.

268915039 is a deficient number, since it is larger than the sum of its proper divisors (1).

268915039 is an equidigital number, since it uses as much as digits as its factorization.

268915039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 268915039 is about 16398.6291805138. The cubic root of 268915039 is about 645.4635123513.

The spelling of 268915039 in words is "two hundred sixty-eight million, nine hundred fifteen thousand, thirty-nine".