27189419 has 2 divisors, whose sum is σ = 27189420. Its totient is φ = 27189418.

The previous prime is 27189403. The next prime is 27189433. The reversal of 27189419 is 91498172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27189419 - 2⁴ = 27189403 is a prime.

It is a super-2 number, since 2×27189419² = 1478529011115122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27189479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13594709 + 13594710.

It is an arithmetic number, because the mean of its divisors is an integer number (13594710).

Almost surely, 2^27189419 is an apocalyptic number.

27189419 is a deficient number, since it is larger than the sum of its proper divisors (1).

27189419 is an equidigital number, since it uses as much as digits as its factorization.

27189419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 41.

The square root of 27189419 is about 5214.3474184216. The cubic root of 27189419 is about 300.6999176330.

The spelling of 27189419 in words is "twenty-seven million, one hundred eighty-nine thousand, four hundred nineteen".