489121469788 has 96 divisors (see below), whose sum is σ = 1112553792000. Its totient is φ = 186908698368.

The previous prime is 489121469779. The next prime is 489121469789. The reversal of 489121469788 is 887964121984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489121469789) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108706 + ... + 995017.

It is an arithmetic number, because the mean of its divisors is an integer number (11589102000).

Almost surely, 2^489121469788 is an apocalyptic number.

It is an amenable number.

489121469788 is an abundant number, since it is smaller than the sum of its proper divisors (623432322212).

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

489121469788 is a wasteful number, since it uses less digits than its factorization.

489121469788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103784 (or 1103768 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 67.

The spelling of 489121469788 in words is "four hundred eighty-nine billion, one hundred twenty-one million, four hundred sixty-nine thousand, seven hundred eighty-eight".