449085673 has 2 divisors, whose sum is σ = 449085674. Its totient is φ = 449085672.

The previous prime is 449085671. The next prime is 449085697. The reversal of 449085673 is 376580944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312476329 + 136609344 = 17677^2 + 11688^2 .

It is a cyclic number.

It is not a de Polignac number, because 449085673 - 2¹ = 449085671 is a prime.

Together with 449085671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (449085671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224542836 + 224542837.

It is an arithmetic number, because the mean of its divisors is an integer number (224542837).

Almost surely, 2^449085673 is an apocalyptic number.

It is an amenable number.

449085673 is a deficient number, since it is larger than the sum of its proper divisors (1).

449085673 is an equidigital number, since it uses as much as digits as its factorization.

449085673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 449085673 is about 21191.6415834168. The cubic root of 449085673 is about 765.7900749998.

The spelling of 449085673 in words is "four hundred forty-nine million, eighty-five thousand, six hundred seventy-three".