268248439 has 2 divisors, whose sum is σ = 268248440. Its totient is φ = 268248438.

The previous prime is 268248433. The next prime is 268248481. The reversal of 268248439 is 934842862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268248439 - 2¹⁵ = 268215671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268248433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134124219 + 134124220.

It is an arithmetic number, because the mean of its divisors is an integer number (134124220).

Almost surely, 2^268248439 is an apocalyptic number.

268248439 is a deficient number, since it is larger than the sum of its proper divisors (1).

268248439 is an equidigital number, since it uses as much as digits as its factorization.

268248439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 46.

The square root of 268248439 is about 16378.2916996859. The cubic root of 268248439 is about 644.9297353501.

The spelling of 268248439 in words is "two hundred sixty-eight million, two hundred forty-eight thousand, four hundred thirty-nine".