489648449 has 16 divisors (see below), whose sum is σ = 545232000. Its totient is φ = 437602176.

The previous prime is 489648427. The next prime is 489648451. The reversal of 489648449 is 944846984.

It is a cyclic number.

It is not a de Polignac number, because 489648449 - 2¹⁶ = 489582913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489648394 and 489648403.

It is not an unprimeable number, because it can be changed into a prime (489645449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24227 + ... + 39575.

It is an arithmetic number, because the mean of its divisors is an integer number (34077000).

Almost surely, 2^489648449 is an apocalyptic number.

It is an amenable number.

489648449 is a deficient number, since it is larger than the sum of its proper divisors (55583551).

489648449 is a wasteful number, since it uses less digits than its factorization.

489648449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15464.

The product of its digits is 7962624, while the sum is 56.

The square root of 489648449 is about 22128.0014687274. The cubic root of 489648449 is about 788.1849314086.

The spelling of 489648449 in words is "four hundred eighty-nine million, six hundred forty-eight thousand, four hundred forty-nine".