449488673 has 2 divisors, whose sum is σ = 449488674. Its totient is φ = 449488672.

The previous prime is 449488657. The next prime is 449488679. The reversal of 449488673 is 376884944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 446772769 + 2715904 = 21137^2 + 1648^2 .

It is a cyclic number.

It is not a de Polignac number, because 449488673 - 2⁴ = 449488657 is a prime.

It is not a weakly prime, because it can be changed into another prime (449488679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224744336 + 224744337.

It is an arithmetic number, because the mean of its divisors is an integer number (224744337).

Almost surely, 2^449488673 is an apocalyptic number.

It is an amenable number.

449488673 is a deficient number, since it is larger than the sum of its proper divisors (1).

449488673 is an equidigital number, since it uses as much as digits as its factorization.

449488673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 53.

The square root of 449488673 is about 21201.1479170351. The cubic root of 449488673 is about 766.0190744613.

The spelling of 449488673 in words is "four hundred forty-nine million, four hundred eighty-eight thousand, six hundred seventy-three".