219134419 has 6 divisors (see below), whose sum is σ = 254911524. Its totient is φ = 187829460.

The previous prime is 219134413. The next prime is 219134431. The reversal of 219134419 is 914431912.

It is not a de Polignac number, because 219134419 - 2⁹ = 219133907 is a prime.

It is a super-2 number, since 2×219134419² = 96039787180935122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (219134413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2236017 + ... + 2236114.

It is an arithmetic number, because the mean of its divisors is an integer number (42485254).

Almost surely, 2^219134419 is an apocalyptic number.

219134419 is a deficient number, since it is larger than the sum of its proper divisors (35777105).

219134419 is an equidigital number, since it uses as much as digits as its factorization.

219134419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472145 (or 4472138 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 219134419 is about 14803.1894874044. The cubic root of 219134419 is about 602.8883135788. Note that the first 3 decimals are identical.

The spelling of 219134419 in words is "two hundred nineteen million, one hundred thirty-four thousand, four hundred nineteen".