2164342241 has 2 divisors, whose sum is σ = 2164342242. Its totient is φ = 2164342240.

The previous prime is 2164342237. The next prime is 2164342261. The reversal of 2164342241 is 1422434612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1788951616 + 375390625 = 42296^2 + 19375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2164342241 - 2² = 2164342237 is a prime.

It is not a weakly prime, because it can be changed into another prime (2164342261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082171120 + 1082171121.

It is an arithmetic number, because the mean of its divisors is an integer number (1082171121).

Almost surely, 2^2164342241 is an apocalyptic number.

It is an amenable number.

2164342241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164342241 is an equidigital number, since it uses as much as digits as its factorization.

2164342241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

The square root of 2164342241 is about 46522.4917754843. The cubic root of 2164342241 is about 1293.5264448348.

Adding to 2164342241 its reverse (1422434612), we get a palindrome (3586776853).

The spelling of 2164342241 in words is "two billion, one hundred sixty-four million, three hundred forty-two thousand, two hundred forty-one".