489056864872 has 32 divisors (see below), whose sum is σ = 929473685280. Its totient is φ = 241206384960.

The previous prime is 489056864843. The next prime is 489056864911. The reversal of 489056864872 is 278468650984.

It is a junction number, because it is equal to n+sod(n) for n = 489056864798 and 489056864807.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145779 + ... + 999682.

It is an arithmetic number, because the mean of its divisors is an integer number (29046052665).

Almost surely, 2^489056864872 is an apocalyptic number.

It is an amenable number.

489056864872 is a deficient number, since it is larger than the sum of its proper divisors (440416820408).

489056864872 is a wasteful number, since it uses less digits than its factorization.

489056864872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146193 (or 1146189 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 67.

The spelling of 489056864872 in words is "four hundred eighty-nine billion, fifty-six million, eight hundred sixty-four thousand, eight hundred seventy-two".