449449269 has 4 divisors (see below), whose sum is σ = 599265696. Its totient is φ = 299632844.

The previous prime is 449449267. The next prime is 449449283. The reversal of 449449269 is 962944944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 449449269 - 2¹ = 449449267 is a prime.

It is a super-2 number, since 2×449449269² = 404009290809268722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449449267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74908209 + ... + 74908214.

It is an arithmetic number, because the mean of its divisors is an integer number (149816424).

Almost surely, 2^449449269 is an apocalyptic number.

It is an amenable number.

449449269 is a deficient number, since it is larger than the sum of its proper divisors (149816427).

449449269 is a wasteful number, since it uses less digits than its factorization.

449449269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149816426.

The product of its digits is 2239488, while the sum is 51.

The square root of 449449269 is about 21200.2186073635. The cubic root of 449449269 is about 765.9966896943.

The spelling of 449449269 in words is "four hundred forty-nine million, four hundred forty-nine thousand, two hundred sixty-nine".