2194716689 has 8 divisors (see below), whose sum is σ = 2449916832. Its totient is φ = 1948796640.

The previous prime is 2194716661. The next prime is 2194716691. The reversal of 2194716689 is 9866174912.

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 2194716689 - 2¹² = 2194712593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2194716689.

It is not an unprimeable number, because it can be changed into a prime (2194716389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2319524 + ... + 2320469.

It is an arithmetic number, because the mean of its divisors is an integer number (306239604).

Almost surely, 2^2194716689 is an apocalyptic number.

It is an amenable number.

2194716689 is a deficient number, since it is larger than the sum of its proper divisors (255200143).

2194716689 is a wasteful number, since it uses less digits than its factorization.

2194716689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640047.

The product of its digits is 1306368, while the sum is 53.

The square root of 2194716689 is about 46847.8034597141. The cubic root of 2194716689 is about 1299.5494866940.

The spelling of 2194716689 in words is "two billion, one hundred ninety-four million, seven hundred sixteen thousand, six hundred eighty-nine".