489893633498328 has 64 divisors (see below), whose sum is σ = 1234635313196160. Its totient is φ = 161979572004096.

The previous prime is 489893633498327. The next prime is 489893633498333. The reversal of 489893633498328 is 823894336398984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489893633498327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53846350 + ... + 62283357.

It is an arithmetic number, because the mean of its divisors is an integer number (19291176768690).

Almost surely, 2^{489893633498328} is an apocalyptic number.

It is an amenable number.

489893633498328 is an abundant number, since it is smaller than the sum of its proper divisors (744741679697832).

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

489893633498328 is a wasteful number, since it uses less digits than its factorization.

489893633498328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116131136 (or 116131132 counting only the distinct ones).

The product of its digits is 46438023168, while the sum is 87.

The spelling of 489893633498328 in words is "four hundred eighty-nine trillion, eight hundred ninety-three billion, six hundred thirty-three million, four hundred ninety-eight thousand, three hundred twenty-eight".