489432163 has 16 divisors (see below), whose sum is σ = 540846432. Its totient is φ = 439200000.

The previous prime is 489432161. The next prime is 489432173. The reversal of 489432163 is 361234984.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 489432163 - 2¹ = 489432161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489432161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667345 + ... + 668077.

It is an arithmetic number, because the mean of its divisors is an integer number (33802902).

Almost surely, 2^489432163 is an apocalyptic number.

489432163 is a deficient number, since it is larger than the sum of its proper divisors (51414269).

489432163 is a wasteful number, since it uses less digits than its factorization.

489432163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446.

The product of its digits is 124416, while the sum is 40.

The square root of 489432163 is about 22123.1137727039. The cubic root of 489432163 is about 788.0688627796.

The spelling of 489432163 in words is "four hundred eighty-nine million, four hundred thirty-two thousand, one hundred sixty-three".