489570899686 has 8 divisors (see below), whose sum is σ = 801116017704. Its totient is φ = 222532227120.

The previous prime is 489570899579. The next prime is 489570899737. The reversal of 489570899686 is 686998075984.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11126611335 + ... + 11126611378.

It is an arithmetic number, because the mean of its divisors is an integer number (100139502213).

Almost surely, 2^489570899686 is an apocalyptic number.

489570899686 is a deficient number, since it is larger than the sum of its proper divisors (311545118018).

489570899686 is a wasteful number, since it uses less digits than its factorization.

489570899686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22253222726.

The product of its (nonzero) digits is 1881169920, while the sum is 79.

The spelling of 489570899686 in words is "four hundred eighty-nine billion, five hundred seventy million, eight hundred ninety-nine thousand, six hundred eighty-six".