489401010566 has 32 divisors (see below), whose sum is σ = 800616468288. Its totient is φ = 223020241920.

The previous prime is 489401010487. The next prime is 489401010583. The reversal of 489401010566 is 665010104984.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 631346 + ... + 1173626.

It is an arithmetic number, because the mean of its divisors is an integer number (25019264634).

Almost surely, 2^489401010566 is an apocalyptic number.

489401010566 is a deficient number, since it is larger than the sum of its proper divisors (311215457722).

489401010566 is a wasteful number, since it uses less digits than its factorization.

489401010566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542736.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 489401010566 in words is "four hundred eighty-nine billion, four hundred one million, ten thousand, five hundred sixty-six".