449121127225 has 9 divisors (see below), whose sum is σ = 556914352813. Its totient is φ = 359294221120.

The previous prime is 449121127219. The next prime is 449121127237. The reversal of 449121127225 is 522721121944.

The square root of 449121127225 is 670165.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2250268969 + 446870858256 = 47437^2 + 668484^2 .

It is not a de Polignac number, because 449121127225 - 2⁵ = 449121127193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3283809 + ... + 3417841.

Almost surely, 2^449121127225 is an apocalyptic number.

449121127225 is the 670165-th square number.

449121127225 is the 335083-rd centered octagonal number.

It is an amenable number.

449121127225 is a deficient number, since it is larger than the sum of its proper divisors (107793225588).

449121127225 is an frugal number, since it uses more digits than its factorization.

449121127225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268076 (or 134038 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The spelling of 449121127225 in words is "four hundred forty-nine billion, one hundred twenty-one million, one hundred twenty-seven thousand, two hundred twenty-five".