489548769172 has 12 divisors (see below), whose sum is σ = 858698076096. Its totient is φ = 244206461720.

The previous prime is 489548769133. The next prime is 489548769187. The reversal of 489548769172 is 271967845984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141978778 + ... + 141982225.

It is an arithmetic number, because the mean of its divisors is an integer number (71558173008).

Almost surely, 2^489548769172 is an apocalyptic number.

It is an amenable number.

489548769172 is a deficient number, since it is larger than the sum of its proper divisors (369149306924).

489548769172 is a wasteful number, since it uses less digits than its factorization.

489548769172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283961438 (or 283961436 counting only the distinct ones).

The product of its digits is 243855360, while the sum is 70.

The spelling of 489548769172 in words is "four hundred eighty-nine billion, five hundred forty-eight million, seven hundred sixty-nine thousand, one hundred seventy-two".