219197119 has 2 divisors, whose sum is σ = 219197120. Its totient is φ = 219197118.

The previous prime is 219197117. The next prime is 219197149. The reversal of 219197119 is 911791912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 219197119 - 2¹ = 219197117 is a prime.

It is a super-2 number, since 2×219197119² = 96094753955800322, which contains 22 as substring.

Together with 219197117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219197117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109598559 + 109598560.

It is an arithmetic number, because the mean of its divisors is an integer number (109598560).

Almost surely, 2^219197119 is an apocalyptic number.

219197119 is a deficient number, since it is larger than the sum of its proper divisors (1).

219197119 is an equidigital number, since it uses as much as digits as its factorization.

219197119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 40.

The square root of 219197119 is about 14805.3071227854. The cubic root of 219197119 is about 602.9458087191.

The spelling of 219197119 in words is "two hundred nineteen million, one hundred ninety-seven thousand, one hundred nineteen".