489528847871 has 8 divisors (see below), whose sum is σ = 578753317920. Its totient is φ = 405127322208.

The previous prime is 489528847849. The next prime is 489528847897. The reversal of 489528847871 is 178748825984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 489528847871 - 2⁶ = 489528847807 is a prime.

It is a super-2 number, since 2×489528847871² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 489528847795 and 489528847804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489528847811) 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, 1205735876 + ... + 1205736281.

It is an arithmetic number, because the mean of its divisors is an integer number (72344164740).

Almost surely, 2^489528847871 is an apocalyptic number.

489528847871 is a deficient number, since it is larger than the sum of its proper divisors (89224470049).

489528847871 is a wasteful number, since it uses less digits than its factorization.

489528847871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411472193.

The product of its digits is 289013760, while the sum is 71.

The spelling of 489528847871 in words is "four hundred eighty-nine billion, five hundred twenty-eight million, eight hundred forty-seven thousand, eight hundred seventy-one".