268466449 has 2 divisors, whose sum is σ = 268466450. Its totient is φ = 268466448.

The previous prime is 268466441. The next prime is 268466503. The reversal of 268466449 is 944664862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267911424 + 555025 = 16368^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 268466449 - 2³ = 268466441 is a prime.

It is not a weakly prime, because it can be changed into another prime (268466441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134233224 + 134233225.

It is an arithmetic number, because the mean of its divisors is an integer number (134233225).

Almost surely, 2^268466449 is an apocalyptic number.

It is an amenable number.

268466449 is a deficient number, since it is larger than the sum of its proper divisors (1).

268466449 is an equidigital number, since it uses as much as digits as its factorization.

268466449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 49.

The square root of 268466449 is about 16384.9458039995. The cubic root of 268466449 is about 645.1044031067.

The spelling of 268466449 in words is "two hundred sixty-eight million, four hundred sixty-six thousand, four hundred forty-nine".