449876269 has 2 divisors, whose sum is σ = 449876270. Its totient is φ = 449876268.

The previous prime is 449876249. The next prime is 449876299. The reversal of 449876269 is 962678944.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 386594244 + 63282025 = 19662^2 + 7955^2 .

It is a cyclic number.

It is not a de Polignac number, because 449876269 - 2⁵ = 449876237 is a prime.

It is a super-2 number, since 2×449876269² = 404777314818720722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449876249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224938134 + 224938135.

It is an arithmetic number, because the mean of its divisors is an integer number (224938135).

Almost surely, 2^449876269 is an apocalyptic number.

It is an amenable number.

449876269 is a deficient number, since it is larger than the sum of its proper divisors (1).

449876269 is an equidigital number, since it uses as much as digits as its factorization.

449876269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 55.

The square root of 449876269 is about 21210.2868674613. The cubic root of 449876269 is about 766.2391917092.

The spelling of 449876269 in words is "four hundred forty-nine million, eight hundred seventy-six thousand, two hundred sixty-nine".