2144984429089 has 4 divisors (see below), whose sum is σ = 2167097670724. Its totient is φ = 2122871187456.

The previous prime is 2144984429047. The next prime is 2144984429117. The reversal of 2144984429089 is 9809244894412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1268738662689 + 876245766400 = 1126383^2 + 936080^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144984429089 - 2²¹ = 2144982331937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144984429089.

It is not an unprimeable number, because it can be changed into a prime (2144954429089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11056620672 + ... + 11056620865.

It is an arithmetic number, because the mean of its divisors is an integer number (541774417681).

Almost surely, 2^{2144984429089} is an apocalyptic number.

It is an amenable number.

2144984429089 is a deficient number, since it is larger than the sum of its proper divisors (22113241635).

2144984429089 is an equidigital number, since it uses as much as digits as its factorization.

2144984429089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22113241634.

The product of its (nonzero) digits is 47775744, while the sum is 64.

The spelling of 2144984429089 in words is "two trillion, one hundred forty-four billion, nine hundred eighty-four million, four hundred twenty-nine thousand, eighty-nine".