449281634 has 4 divisors (see below), whose sum is σ = 673922454. Its totient is φ = 224640816.

The previous prime is 449281579. The next prime is 449281669. The reversal of 449281634 is 436182944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 398202025 + 51079609 = 19955^2 + 7147^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 449281591 and 449281600.

It is an unprimeable number.

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, 112320407 + ... + 112320410.

Almost surely, 2^449281634 is an apocalyptic number.

449281634 is a deficient number, since it is larger than the sum of its proper divisors (224640820).

449281634 is a wasteful number, since it uses less digits than its factorization.

449281634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224640819.

The product of its digits is 165888, while the sum is 41.

The square root of 449281634 is about 21196.2646237492. The cubic root of 449281634 is about 765.9014443710.

The spelling of 449281634 in words is "four hundred forty-nine million, two hundred eighty-one thousand, six hundred thirty-four".