82091000219 has 2 divisors, whose sum is σ = 82091000220. Its totient is φ = 82091000218.

The previous prime is 82091000213. The next prime is 82091000231. The reversal of 82091000219 is 91200019028.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82091000219 is a prime.

It is a super-2 number, since 2×82091000219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82091000213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41045500109 + 41045500110.

It is an arithmetic number, because the mean of its divisors is an integer number (41045500110).

Almost surely, 2^82091000219 is an apocalyptic number.

82091000219 is a deficient number, since it is larger than the sum of its proper divisors (1).

82091000219 is an equidigital number, since it uses as much as digits as its factorization.

82091000219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 82091000219 in words is "eighty-two billion, ninety-one million, two hundred nineteen", and thus it is an aban number.