219216043 has 2 divisors, whose sum is σ = 219216044. Its totient is φ = 219216042.

The previous prime is 219215993. The next prime is 219216047. The reversal of 219216043 is 340612912.

219216043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-219216043 is a prime.

It is not a weakly prime, because it can be changed into another prime (219216047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109608021 + 109608022.

It is an arithmetic number, because the mean of its divisors is an integer number (109608022).

Almost surely, 2^219216043 is an apocalyptic number.

219216043 is a deficient number, since it is larger than the sum of its proper divisors (1).

219216043 is an equidigital number, since it uses as much as digits as its factorization.

219216043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 219216043 is about 14805.9462041438. The cubic root of 219216043 is about 602.9631596439.

Adding to 219216043 its reverse (340612912), we get a palindrome (559828955).

The spelling of 219216043 in words is "two hundred nineteen million, two hundred sixteen thousand, forty-three".