2144664211 has 2 divisors, whose sum is σ = 2144664212. Its totient is φ = 2144664210.

The previous prime is 2144664209. The next prime is 2144664241. The reversal of 2144664211 is 1124664412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144664211 - 2¹ = 2144664209 is a prime.

Together with 2144664209, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2144664241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072332105 + 1072332106.

It is an arithmetic number, because the mean of its divisors is an integer number (1072332106).

Almost surely, 2^2144664211 is an apocalyptic number.

2144664211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144664211 is an equidigital number, since it uses as much as digits as its factorization.

2144664211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 31.

The square root of 2144664211 is about 46310.5194421311. The cubic root of 2144664211 is about 1289.5942900191.

The spelling of 2144664211 in words is "two billion, one hundred forty-four million, six hundred sixty-four thousand, two hundred eleven".