489668866984 has 32 divisors (see below), whose sum is σ = 1016544607200. Its totient is φ = 219254713920.

The previous prime is 489668866961. The next prime is 489668866987.

489668866984 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 489668866898 and 489668866907.

It is not an unprimeable number, because it can be changed into a prime (489668866987) 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 7 ways as a sum of consecutive naturals, for example, 41519619 + ... + 41531410.

It is an arithmetic number, because the mean of its divisors is an integer number (31767018975).

Almost surely, 2^489668866984 is an apocalyptic number.

489668866984 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

489668866984 is an abundant number, since it is smaller than the sum of its proper divisors (526875740216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489668866984 is a wasteful number, since it uses less digits than its factorization.

489668866984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83051113 (or 83051109 counting only the distinct ones).

The product of its digits is 6879707136, while the sum is 82.

The spelling of 489668866984 in words is "four hundred eighty-nine billion, six hundred sixty-eight million, eight hundred sixty-six thousand, nine hundred eighty-four".