449874497 has 2 divisors, whose sum is σ = 449874498. Its totient is φ = 449874496.

The previous prime is 449874493. The next prime is 449874517. The reversal of 449874497 is 794478944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 407676481 + 42198016 = 20191^2 + 6496^2 .

It is a cyclic number.

It is not a de Polignac number, because 449874497 - 2² = 449874493 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (449874493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224937248 + 224937249.

It is an arithmetic number, because the mean of its divisors is an integer number (224937249).

Almost surely, 2^449874497 is an apocalyptic number.

It is an amenable number.

449874497 is a deficient number, since it is larger than the sum of its proper divisors (1).

449874497 is an equidigital number, since it uses as much as digits as its factorization.

449874497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8128512, while the sum is 56.

The square root of 449874497 is about 21210.2450952364. The cubic root of 449874497 is about 766.2381856714.

The spelling of 449874497 in words is "four hundred forty-nine million, eight hundred seventy-four thousand, four hundred ninety-seven".