489822681 has 8 divisors (see below), whose sum is σ = 662295744. Its totient is φ = 321949040.

The previous prime is 489822667. The next prime is 489822689. The reversal of 489822681 is 186228984.

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 489822681 - 2¹¹ = 489820633 is a prime.

It is a super-2 number, since 2×489822681² = 479852517644055522, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 489822681.

It is not an unprimeable number, because it can be changed into a prime (489822689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149606 + ... + 1150031.

It is an arithmetic number, because the mean of its divisors is an integer number (82786968).

Almost surely, 2^489822681 is an apocalyptic number.

It is an amenable number.

489822681 is a deficient number, since it is larger than the sum of its proper divisors (172473063).

489822681 is a wasteful number, since it uses less digits than its factorization.

489822681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299711.

The product of its digits is 442368, while the sum is 48.

The square root of 489822681 is about 22131.9380308187. The cubic root of 489822681 is about 788.2784071476.

The spelling of 489822681 in words is "four hundred eighty-nine million, eight hundred twenty-two thousand, six hundred eighty-one".