489123588534 has 64 divisors (see below), whose sum is σ = 1132147279872. Its totient is φ = 137987481600.

The previous prime is 489123588533. The next prime is 489123588557. The reversal of 489123588534 is 435885321984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489123588533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1616614 + ... + 1895174.

It is an arithmetic number, because the mean of its divisors is an integer number (17689801248).

Almost surely, 2^489123588534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 489123588534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566073639936).

489123588534 is an abundant number, since it is smaller than the sum of its proper divisors (643023691338).

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

489123588534 is a wasteful number, since it uses less digits than its factorization.

489123588534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279101.

The product of its digits is 33177600, while the sum is 60.

The spelling of 489123588534 in words is "four hundred eighty-nine billion, one hundred twenty-three million, five hundred eighty-eight thousand, five hundred thirty-four".