8689443841 has 8 divisors (see below), whose sum is σ = 9410143680. Its totient is φ = 7976212752.

The previous prime is 8689443811. The next prime is 8689443857. The reversal of 8689443841 is 1483449868.

It is a happy number.

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 8689443841 - 2¹³ = 8689435649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8689443811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1864765 + ... + 1869418.

It is an arithmetic number, because the mean of its divisors is an integer number (1176267960).

Almost surely, 2^8689443841 is an apocalyptic number.

It is an amenable number.

8689443841 is a deficient number, since it is larger than the sum of its proper divisors (720699839).

8689443841 is a wasteful number, since it uses less digits than its factorization.

8689443841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734375.

The product of its digits is 5308416, while the sum is 55.

The square root of 8689443841 is about 93217.1864035812. The cubic root of 8689443841 is about 2055.8779420322.

The spelling of 8689443841 in words is "eight billion, six hundred eighty-nine million, four hundred forty-three thousand, eight hundred forty-one".