489561995 has 16 divisors (see below), whose sum is σ = 633918432. Its totient is φ = 360806400.

The previous prime is 489561959. The next prime is 489562019. The reversal of 489561995 is 599165984.

It is not a de Polignac number, because 489561995 - 2⁶ = 489561931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 489561995.

It is an unprimeable number.

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, 26795 + ... + 41195.

It is an arithmetic number, because the mean of its divisors is an integer number (39619902).

Almost surely, 2^489561995 is an apocalyptic number.

489561995 is a deficient number, since it is larger than the sum of its proper divisors (144356437).

489561995 is a wasteful number, since it uses less digits than its factorization.

489561995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14942.

The product of its digits is 3499200, while the sum is 56.

The square root of 489561995 is about 22126.0478847895. The cubic root of 489561995 is about 788.1385404717.

The spelling of 489561995 in words is "four hundred eighty-nine million, five hundred sixty-one thousand, nine hundred ninety-five".