2143445676889 has 8 divisors (see below), whose sum is σ = 2475851691168. Its totient is φ = 1833964215360.

The previous prime is 2143445676871. The next prime is 2143445676893. The reversal of 2143445676889 is 9886765443412.

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 2143445676889 - 2⁹ = 2143445676377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143445676689) 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, 5731137987 + ... + 5731138360.

It is an arithmetic number, because the mean of its divisors is an integer number (309481461396).

Almost surely, 2^{2143445676889} is an apocalyptic number.

It is an amenable number.

2143445676889 is a deficient number, since it is larger than the sum of its proper divisors (332406014279).

2143445676889 is a wasteful number, since it uses less digits than its factorization.

2143445676889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11462276375.

The product of its digits is 278691840, while the sum is 67.

The spelling of 2143445676889 in words is "two trillion, one hundred forty-three billion, four hundred forty-five million, six hundred seventy-six thousand, eight hundred eighty-nine".