2144664241 has 2 divisors, whose sum is σ = 2144664242. Its totient is φ = 2144664240.

The previous prime is 2144664211. The next prime is 2144664253. The reversal of 2144664241 is 1424664412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2080728225 + 63936016 = 45615^2 + 7996^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144664241 - 2⁵ = 2144664209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2144664197 and 2144664206.

It is not a weakly prime, because it can be changed into another prime (2144664211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072332120 + 1072332121.

It is an arithmetic number, because the mean of its divisors is an integer number (1072332121).

Almost surely, 2^2144664241 is an apocalyptic number.

It is an amenable number.

2144664241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144664241 is an equidigital number, since it uses as much as digits as its factorization.

2144664241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 34.

The square root of 2144664241 is about 46310.5197660316. The cubic root of 2144664241 is about 1289.5942960322.

The spelling of 2144664241 in words is "two billion, one hundred forty-four million, six hundred sixty-four thousand, two hundred forty-one".