489544459 has 8 divisors (see below), whose sum is σ = 498414528. Its totient is φ = 480701760.

The previous prime is 489544457. The next prime is 489544483. The reversal of 489544459 is 954445984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489544459 - 2¹ = 489544457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489544457) 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 in 7 ways as a sum of consecutive naturals, for example, 31134 + ... + 44140.

It is an arithmetic number, because the mean of its divisors is an integer number (62301816).

Almost surely, 2^489544459 is an apocalyptic number.

489544459 is a deficient number, since it is larger than the sum of its proper divisors (8870069).

489544459 is a wasteful number, since it uses less digits than its factorization.

489544459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13685.

The product of its digits is 4147200, while the sum is 52.

The square root of 489544459 is about 22125.6516062239. The cubic root of 489544459 is about 788.1291300446.

The spelling of 489544459 in words is "four hundred eighty-nine million, five hundred forty-four thousand, four hundred fifty-nine".