449543473 has 2 divisors, whose sum is σ = 449543474. Its totient is φ = 449543472.

The previous prime is 449543449. The next prime is 449543483. The reversal of 449543473 is 374345944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315169009 + 134374464 = 17753^2 + 11592^2 .

It is a cyclic number.

It is not a de Polignac number, because 449543473 - 2¹⁷ = 449412401 is a prime.

It is not a weakly prime, because it can be changed into another prime (449543483) 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, 224771736 + 224771737.

It is an arithmetic number, because the mean of its divisors is an integer number (224771737).

Almost surely, 2^449543473 is an apocalyptic number.

It is an amenable number.

449543473 is a deficient number, since it is larger than the sum of its proper divisors (1).

449543473 is an equidigital number, since it uses as much as digits as its factorization.

449543473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 43.

The square root of 449543473 is about 21202.4402604983. The cubic root of 449543473 is about 766.0502032691.

The spelling of 449543473 in words is "four hundred forty-nine million, five hundred forty-three thousand, four hundred seventy-three".