489775565927184 has 40 divisors (see below), whose sum is σ = 1265255213608512. Its totient is φ = 163258306711680.

The previous prime is 489775565927171. The next prime is 489775565927189. The reversal of 489775565927184 is 481729565577984.

It is a self number, because there is not a number n which added to its sum of digits gives 489775565927184.

It is not an unprimeable number, because it can be changed into a prime (489775565927189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32402362 + ... + 45049574.

Almost surely, 2^{489775565927184} is an apocalyptic number.

It is an amenable number.

489775565927184 is an abundant number, since it is smaller than the sum of its proper divisors (775479647681328).

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

489775565927184 is a wasteful number, since it uses less digits than its factorization.

489775565927184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13454015 (or 13454009 counting only the distinct ones).

The product of its digits is 42674688000, while the sum is 87.

The spelling of 489775565927184 in words is "four hundred eighty-nine trillion, seven hundred seventy-five billion, five hundred sixty-five million, nine hundred twenty-seven thousand, one hundred eighty-four".