449404513 has 2 divisors, whose sum is σ = 449404514. Its totient is φ = 449404512.

The previous prime is 449404471. The next prime is 449404517. The reversal of 449404513 is 315404944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434597409 + 14807104 = 20847^2 + 3848^2 .

It is a cyclic number.

It is not a de Polignac number, because 449404513 - 2²⁵ = 415850081 is a prime.

It is not a weakly prime, because it can be changed into another prime (449404517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224702256 + 224702257.

It is an arithmetic number, because the mean of its divisors is an integer number (224702257).

Almost surely, 2^449404513 is an apocalyptic number.

It is an amenable number.

449404513 is a deficient number, since it is larger than the sum of its proper divisors (1).

449404513 is an equidigital number, since it uses as much as digits as its factorization.

449404513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 449404513 is about 21199.1630259310. The cubic root of 449404513 is about 765.9712629567.

The spelling of 449404513 in words is "four hundred forty-nine million, four hundred four thousand, five hundred thirteen".