489744849 has 8 divisors (see below), whose sum is σ = 712356192. Its totient is φ = 296815040.

The previous prime is 489744833. The next prime is 489744883. The reversal of 489744849 is 948447984.

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 489744849 - 2⁴ = 489744833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (489744889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7420344 + ... + 7420409.

It is an arithmetic number, because the mean of its divisors is an integer number (89044524).

Almost surely, 2^489744849 is an apocalyptic number.

It is an amenable number.

489744849 is a deficient number, since it is larger than the sum of its proper divisors (222611343).

489744849 is a wasteful number, since it uses less digits than its factorization.

489744849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14840767.

The product of its digits is 9289728, while the sum is 57.

The square root of 489744849 is about 22130.1795971022. The cubic root of 489744849 is about 788.2366528983.

The spelling of 489744849 in words is "four hundred eighty-nine million, seven hundred forty-four thousand, eight hundred forty-nine".