2189109702259 has 2 divisors, whose sum is σ = 2189109702260. Its totient is φ = 2189109702258.

The previous prime is 2189109702229. The next prime is 2189109702419. The reversal of 2189109702259 is 9522079019812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2189109702259 - 2²¹ = 2189107605107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2189109702229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094554851129 + 1094554851130.

It is an arithmetic number, because the mean of its divisors is an integer number (1094554851130).

Almost surely, 2^{2189109702259} is an apocalyptic number.

2189109702259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2189109702259 is an equidigital number, since it uses as much as digits as its factorization.

2189109702259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The spelling of 2189109702259 in words is "two trillion, one hundred eighty-nine billion, one hundred nine million, seven hundred two thousand, two hundred fifty-nine".