489502571812 has 24 divisors (see below), whose sum is σ = 886285108800. Its totient is φ = 236280477216.

The previous prime is 489502571809. The next prime is 489502571821. The reversal of 489502571812 is 218175205984.

It is a super-2 number, since 2×489502571812² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 489502571812.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619639 + ... + 1167457.

It is an arithmetic number, because the mean of its divisors is an integer number (36928546200).

Almost surely, 2^489502571812 is an apocalyptic number.

It is an amenable number.

489502571812 is a deficient number, since it is larger than the sum of its proper divisors (396782536988).

489502571812 is a wasteful number, since it uses less digits than its factorization.

489502571812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555555 (or 555553 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 489502571812 in words is "four hundred eighty-nine billion, five hundred two million, five hundred seventy-one thousand, eight hundred twelve".