2164443011 has 2 divisors, whose sum is σ = 2164443012. Its totient is φ = 2164443010.

The previous prime is 2164442993. The next prime is 2164443031. The reversal of 2164443011 is 1103444612.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2164443011 - 2⁶ = 2164442947 is a prime.

It is a super-2 number, since 2×2164443011² = 9369627095733492242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2164443031) 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 as a sum of consecutive naturals, namely, 1082221505 + 1082221506.

It is an arithmetic number, because the mean of its divisors is an integer number (1082221506).

Almost surely, 2^2164443011 is an apocalyptic number.

2164443011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164443011 is an equidigital number, since it uses as much as digits as its factorization.

2164443011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2164443011 is about 46523.5747874129. The cubic root of 2164443011 is about 1293.5465197001.

Adding to 2164443011 its reverse (1103444612), we get a palindrome (3267887623).

The spelling of 2164443011 in words is "two billion, one hundred sixty-four million, four hundred forty-three thousand, eleven".