268270843 has 2 divisors, whose sum is σ = 268270844. Its totient is φ = 268270842.

The previous prime is 268270819. The next prime is 268270859. The reversal of 268270843 is 348072862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268270843 - 2⁵ = 268270811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268270796 and 268270805.

It is not a weakly prime, because it can be changed into another prime (268270943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134135421 + 134135422.

It is an arithmetic number, because the mean of its divisors is an integer number (134135422).

Almost surely, 2^268270843 is an apocalyptic number.

268270843 is a deficient number, since it is larger than the sum of its proper divisors (1).

268270843 is an equidigital number, since it uses as much as digits as its factorization.

268270843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 268270843 is about 16378.9756395203. The cubic root of 268270843 is about 644.9476896062.

The spelling of 268270843 in words is "two hundred sixty-eight million, two hundred seventy thousand, eight hundred forty-three".