489512849 has 16 divisors (see below), whose sum is σ = 586802688. Its totient is φ = 399546432.

The previous prime is 489512843. The next prime is 489512851. The reversal of 489512849 is 948215984.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489512849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489512797 and 489512806.

It is not an unprimeable number, because it can be changed into a prime (489512843) 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 15 ways as a sum of consecutive naturals, for example, 7934 + ... + 32279.

It is an arithmetic number, because the mean of its divisors is an integer number (36675168).

Almost surely, 2^489512849 is an apocalyptic number.

It is an amenable number.

489512849 is a deficient number, since it is larger than the sum of its proper divisors (97289839).

489512849 is a wasteful number, since it uses less digits than its factorization.

489512849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40304.

The product of its digits is 829440, while the sum is 50.

The square root of 489512849 is about 22124.9372654478. The cubic root of 489512849 is about 788.1121664521.

The spelling of 489512849 in words is "four hundred eighty-nine million, five hundred twelve thousand, eight hundred forty-nine".