489881518847 has 8 divisors (see below), whose sum is σ = 559877774976. Its totient is φ = 419888558232.

The previous prime is 489881518681. The next prime is 489881518877. The reversal of 489881518847 is 748815188984.

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

It is a cyclic number.

It is not a de Polignac number, because 489881518847 - 2³² = 485586551551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489881518877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496673 + ... + 1107450.

It is an arithmetic number, because the mean of its divisors is an integer number (69984721872).

Almost surely, 2^489881518847 is an apocalyptic number.

489881518847 is a deficient number, since it is larger than the sum of its proper divisors (69996256129).

489881518847 is a wasteful number, since it uses less digits than its factorization.

489881518847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647757.

The product of its digits is 165150720, while the sum is 71.

The spelling of 489881518847 in words is "four hundred eighty-nine billion, eight hundred eighty-one million, five hundred eighteen thousand, eight hundred forty-seven".