449085773 has 2 divisors, whose sum is σ = 449085774. Its totient is φ = 449085772.

The previous prime is 449085739. The next prime is 449085781. The reversal of 449085773 is 377580944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407959204 + 41126569 = 20198^2 + 6413^2 .

It is a cyclic number.

It is not a de Polignac number, because 449085773 - 2⁶ = 449085709 is a prime.

It is a super-2 number, since 2×449085773² = 403356063022015058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449085673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224542886 + 224542887.

It is an arithmetic number, because the mean of its divisors is an integer number (224542887).

Almost surely, 2^449085773 is an apocalyptic number.

It is an amenable number.

449085773 is a deficient number, since it is larger than the sum of its proper divisors (1).

449085773 is an equidigital number, since it uses as much as digits as its factorization.

449085773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 449085773 is about 21191.6439428375. The cubic root of 449085773 is about 765.7901318405.

The spelling of 449085773 in words is "four hundred forty-nine million, eighty-five thousand, seven hundred seventy-three".