449044417 has 2 divisors, whose sum is σ = 449044418. Its totient is φ = 449044416.

The previous prime is 449044411. The next prime is 449044447. The reversal of 449044417 is 714440944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 447364801 + 1679616 = 21151^2 + 1296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449044417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (449044411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224522208 + 224522209.

It is an arithmetic number, because the mean of its divisors is an integer number (224522209).

Almost surely, 2^449044417 is an apocalyptic number.

It is an amenable number.

449044417 is a deficient number, since it is larger than the sum of its proper divisors (1).

449044417 is an equidigital number, since it uses as much as digits as its factorization.

449044417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 449044417 is about 21190.6681584135. The cubic root of 449044417 is about 765.7666240900.

The spelling of 449044417 in words is "four hundred forty-nine million, forty-four thousand, four hundred seventeen".