268444147 has 2 divisors, whose sum is σ = 268444148. Its totient is φ = 268444146.

The previous prime is 268444129. The next prime is 268444171. The reversal of 268444147 is 741444862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268444147 - 2⁷ = 268444019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (268444747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134222073 + 134222074.

It is an arithmetic number, because the mean of its divisors is an integer number (134222074).

Almost surely, 2^268444147 is an apocalyptic number.

268444147 is a deficient number, since it is larger than the sum of its proper divisors (1).

268444147 is an equidigital number, since it uses as much as digits as its factorization.

268444147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172032, while the sum is 40.

The square root of 268444147 is about 16384.2652261247. The cubic root of 268444147 is about 645.0865392769.

The spelling of 268444147 in words is "two hundred sixty-eight million, four hundred forty-four thousand, one hundred forty-seven".