449633497 has 2 divisors, whose sum is σ = 449633498. Its totient is φ = 449633496.

The previous prime is 449633491. The next prime is 449633507. The reversal of 449633497 is 794336944.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 357550281 + 92083216 = 18909^2 + 9596^2 .

It is a cyclic number.

It is not a de Polignac number, because 449633497 - 2⁷ = 449633369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 449633497.

It is not a weakly prime, because it can be changed into another prime (449633491) 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, 224816748 + 224816749.

It is an arithmetic number, because the mean of its divisors is an integer number (224816749).

Almost surely, 2^449633497 is an apocalyptic number.

It is an amenable number.

449633497 is a deficient number, since it is larger than the sum of its proper divisors (1).

449633497 is an equidigital number, since it uses as much as digits as its factorization.

449633497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 49.

The square root of 449633497 is about 21204.5631174047. The cubic root of 449633497 is about 766.1013353655.

The spelling of 449633497 in words is "four hundred forty-nine million, six hundred thirty-three thousand, four hundred ninety-seven".