216084299 has 2 divisors, whose sum is σ = 216084300. Its totient is φ = 216084298.

The previous prime is 216084293. The next prime is 216084317. The reversal of 216084299 is 992480612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216084299 - 2¹⁶ = 216018763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (216084293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108042149 + 108042150.

It is an arithmetic number, because the mean of its divisors is an integer number (108042150).

Almost surely, 2^216084299 is an apocalyptic number.

216084299 is a deficient number, since it is larger than the sum of its proper divisors (1).

216084299 is an equidigital number, since it uses as much as digits as its factorization.

216084299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 216084299 is about 14699.8060871564. The cubic root of 216084299 is about 600.0780444776.

The spelling of 216084299 in words is "two hundred sixteen million, eighty-four thousand, two hundred ninety-nine".