489441317947484 has 12 divisors (see below), whose sum is σ = 978882635895024. Its totient is φ = 209760564834624.

The previous prime is 489441317947457. The next prime is 489441317947487. The reversal of 489441317947484 is 484749713144984.

489441317947484 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489441317947487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8740023534749 + ... + 8740023534804.

It is an arithmetic number, because the mean of its divisors is an integer number (81573552991252).

Almost surely, 2^{489441317947484} is an apocalyptic number.

It is an amenable number.

489441317947484 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

489441317947484 is a wasteful number, since it uses less digits than its factorization.

489441317947484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17480047069564 (or 17480047069562 counting only the distinct ones).

The product of its digits is 3121348608, while the sum is 77.

The spelling of 489441317947484 in words is "four hundred eighty-nine trillion, four hundred forty-one billion, three hundred seventeen million, nine hundred forty-seven thousand, four hundred eighty-four".