449395439 has 2 divisors, whose sum is σ = 449395440. Its totient is φ = 449395438.

The previous prime is 449395433. The next prime is 449395447. The reversal of 449395439 is 934593944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449395439 - 2²⁴ = 432618223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449395433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224697719 + 224697720.

It is an arithmetic number, because the mean of its divisors is an integer number (224697720).

Almost surely, 2^449395439 is an apocalyptic number.

449395439 is a deficient number, since it is larger than the sum of its proper divisors (1).

449395439 is an equidigital number, since it uses as much as digits as its factorization.

449395439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 50.

The square root of 449395439 is about 21198.9490069673. The cubic root of 449395439 is about 765.9661076384.

The spelling of 449395439 in words is "four hundred forty-nine million, three hundred ninety-five thousand, four hundred thirty-nine".