216006719 has 2 divisors, whose sum is σ = 216006720. Its totient is φ = 216006718.

The previous prime is 216006697. The next prime is 216006787. The reversal of 216006719 is 917600612.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216006719 - 2²⁰ = 214958143 is a prime.

It is a super-2 number, since 2×216006719² = 93317805306289922, which contains 22 as substring.

It is a Chen prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216006799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108003359 + 108003360.

It is an arithmetic number, because the mean of its divisors is an integer number (108003360).

Almost surely, 2^216006719 is an apocalyptic number.

216006719 is a deficient number, since it is larger than the sum of its proper divisors (1).

216006719 is an equidigital number, since it uses as much as digits as its factorization.

216006719 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 32.

The square root of 216006719 is about 14697.1670399434. The cubic root of 216006719 is about 600.0062212318.

The spelling of 216006719 in words is "two hundred sixteen million, six thousand, seven hundred nineteen".