489818819 has 8 divisors (see below), whose sum is σ = 571703808. Its totient is φ = 410911560.

The previous prime is 489818737. The next prime is 489818851. The reversal of 489818819 is 918818984.

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 489818819 - 2²⁸ = 221383363 is a prime.

It is a super-2 number, since 2×489818819² = 479844950893109522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489818519) 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 7 ways as a sum of consecutive naturals, for example, 744077 + ... + 744734.

It is an arithmetic number, because the mean of its divisors is an integer number (71462976).

Almost surely, 2^489818819 is an apocalyptic number.

489818819 is a deficient number, since it is larger than the sum of its proper divisors (81884989).

489818819 is a wasteful number, since it uses less digits than its factorization.

489818819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488865.

The product of its digits is 1327104, while the sum is 56.

The square root of 489818819 is about 22131.8507811706. The cubic root of 489818819 is about 788.2763354188.

The spelling of 489818819 in words is "four hundred eighty-nine million, eight hundred eighteen thousand, eight hundred nineteen".