449272469 has 2 divisors, whose sum is σ = 449272470. Its totient is φ = 449272468.

The previous prime is 449272427. The next prime is 449272517. The reversal of 449272469 is 964272944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393546244 + 55726225 = 19838^2 + 7465^2 .

It is a cyclic number.

It is not a de Polignac number, because 449272469 - 2²⁴ = 432495253 is a prime.

It is a super-2 number, since 2×449272469² = 403691502802711922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449272069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224636234 + 224636235.

It is an arithmetic number, because the mean of its divisors is an integer number (224636235).

Almost surely, 2^449272469 is an apocalyptic number.

It is an amenable number.

449272469 is a deficient number, since it is larger than the sum of its proper divisors (1).

449272469 is an equidigital number, since it uses as much as digits as its factorization.

449272469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 47.

The square root of 449272469 is about 21196.0484288935. The cubic root of 449272469 is about 765.8962364020.

The spelling of 449272469 in words is "four hundred forty-nine million, two hundred seventy-two thousand, four hundred sixty-nine".