83543893219 has 2 divisors, whose sum is σ = 83543893220. Its totient is φ = 83543893218.

The previous prime is 83543893211. The next prime is 83543893351. The reversal of 83543893219 is 91239834538.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83543893219 - 2³ = 83543893211 is a prime.

It is a super-2 number, since 2×83543893219² (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 83543893219.

It is not a weakly prime, because it can be changed into another prime (83543893211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41771946609 + 41771946610.

It is an arithmetic number, because the mean of its divisors is an integer number (41771946610).

Almost surely, 2^83543893219 is an apocalyptic number.

83543893219 is a deficient number, since it is larger than the sum of its proper divisors (1).

83543893219 is an equidigital number, since it uses as much as digits as its factorization.

83543893219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 55.

The spelling of 83543893219 in words is "eighty-three billion, five hundred forty-three million, eight hundred ninety-three thousand, two hundred nineteen".