82719014219 has 2 divisors, whose sum is σ = 82719014220. Its totient is φ = 82719014218.

The previous prime is 82719014179. The next prime is 82719014249. The reversal of 82719014219 is 91241091728.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82719014219 - 2²⁰ = 82717965643 is a prime.

It is a super-2 number, since 2×82719014219² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82719014219.

It is not a weakly prime, because it can be changed into another prime (82719014249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41359507109 + 41359507110.

It is an arithmetic number, because the mean of its divisors is an integer number (41359507110).

Almost surely, 2^82719014219 is an apocalyptic number.

82719014219 is a deficient number, since it is larger than the sum of its proper divisors (1).

82719014219 is an equidigital number, since it uses as much as digits as its factorization.

82719014219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 82719014219 in words is "eighty-two billion, seven hundred nineteen million, fourteen thousand, two hundred nineteen".