489528859 has 2 divisors, whose sum is σ = 489528860. Its totient is φ = 489528858.

The previous prime is 489528857. The next prime is 489528869. The reversal of 489528859 is 958825984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489528859 - 2¹ = 489528857 is a prime.

Together with 489528857, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (489528857) 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 as a sum of consecutive naturals, namely, 244764429 + 244764430.

It is an arithmetic number, because the mean of its divisors is an integer number (244764430).

Almost surely, 2^489528859 is an apocalyptic number.

489528859 is a deficient number, since it is larger than the sum of its proper divisors (1).

489528859 is an equidigital number, since it uses as much as digits as its factorization.

489528859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8294400, while the sum is 58.

The square root of 489528859 is about 22125.2990714250. The cubic root of 489528859 is about 788.1207583534.

The spelling of 489528859 in words is "four hundred eighty-nine million, five hundred twenty-eight thousand, eight hundred fifty-nine".