2184244891 has 2 divisors, whose sum is σ = 2184244892. Its totient is φ = 2184244890.

The previous prime is 2184244871. The next prime is 2184244901. The reversal of 2184244891 is 1984424812.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2184244891 - 2¹¹ = 2184242843 is a prime.

It is not a weakly prime, because it can be changed into another prime (2184244871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092122445 + 1092122446.

It is an arithmetic number, because the mean of its divisors is an integer number (1092122446).

Almost surely, 2^2184244891 is an apocalyptic number.

2184244891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2184244891 is an equidigital number, since it uses as much as digits as its factorization.

2184244891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 43.

The square root of 2184244891 is about 46735.9058005726. The cubic root of 2184244891 is about 1297.4793149881.

The spelling of 2184244891 in words is "two billion, one hundred eighty-four million, two hundred forty-four thousand, eight hundred ninety-one".