82189319 has 2 divisors, whose sum is σ = 82189320. Its totient is φ = 82189318.

The previous prime is 82189291. The next prime is 82189357. The reversal of 82189319 is 91398128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82189319 - 2²⁰ = 81140743 is a prime.

It is a super-2 number, since 2×82189319² = 13510168315367522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82189399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41094659 + 41094660.

It is an arithmetic number, because the mean of its divisors is an integer number (41094660).

Almost surely, 2^82189319 is an apocalyptic number.

82189319 is a deficient number, since it is larger than the sum of its proper divisors (1).

82189319 is an equidigital number, since it uses as much as digits as its factorization.

82189319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 41.

The square root of 82189319 is about 9065.8325045194. The cubic root of 82189319 is about 434.7822383001.

The spelling of 82189319 in words is "eighty-two million, one hundred eighty-nine thousand, three hundred nineteen".