216073219 has 2 divisors, whose sum is σ = 216073220. Its totient is φ = 216073218.

The previous prime is 216073199. The next prime is 216073283. The reversal of 216073219 is 912370612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216073219 - 2¹¹ = 216071171 is a prime.

It is a super-2 number, since 2×216073219² = 93375271938043922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (216076219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108036609 + 108036610.

It is an arithmetic number, because the mean of its divisors is an integer number (108036610).

Almost surely, 2^216073219 is an apocalyptic number.

216073219 is a deficient number, since it is larger than the sum of its proper divisors (1).

216073219 is an equidigital number, since it uses as much as digits as its factorization.

216073219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 216073219 is about 14699.4292066053. The cubic root of 216073219 is about 600.0677877115.

The spelling of 216073219 in words is "two hundred sixteen million, seventy-three thousand, two hundred nineteen".