268494727 has 2 divisors, whose sum is σ = 268494728. Its totient is φ = 268494726.

The previous prime is 268494713. The next prime is 268494749. The reversal of 268494727 is 727494862.

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-268494727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268494797) 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, 134247363 + 134247364.

It is an arithmetic number, because the mean of its divisors is an integer number (134247364).

Almost surely, 2^268494727 is an apocalyptic number.

268494727 is a deficient number, since it is larger than the sum of its proper divisors (1).

268494727 is an equidigital number, since it uses as much as digits as its factorization.

268494727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 49.

The square root of 268494727 is about 16385.8087075371. The cubic root of 268494727 is about 645.1270522706.

The spelling of 268494727 in words is "two hundred sixty-eight million, four hundred ninety-four thousand, seven hundred twenty-seven".