219895441 has 2 divisors, whose sum is σ = 219895442. Its totient is φ = 219895440.

The previous prime is 219895439. The next prime is 219895453. The reversal of 219895441 is 144598912.

219895441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197993041 + 21902400 = 14071^2 + 4680^2 .

It is a cyclic number.

It is not a de Polignac number, because 219895441 - 2¹ = 219895439 is a prime.

Together with 219895439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (219895471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109947720 + 109947721.

It is an arithmetic number, because the mean of its divisors is an integer number (109947721).

Almost surely, 2^219895441 is an apocalyptic number.

It is an amenable number.

219895441 is a deficient number, since it is larger than the sum of its proper divisors (1).

219895441 is an equidigital number, since it uses as much as digits as its factorization.

219895441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 43.

The square root of 219895441 is about 14828.8718721284. The cubic root of 219895441 is about 603.5854217226.

The spelling of 219895441 in words is "two hundred nineteen million, eight hundred ninety-five thousand, four hundred forty-one".