834112216571 has 2 divisors, whose sum is σ = 834112216572. Its totient is φ = 834112216570.

The previous prime is 834112216559. The next prime is 834112216573. The reversal of 834112216571 is 175612211438.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 834112216571 - 2³⁰ = 833038474747 is a prime.

It is a Sophie Germain prime.

Together with 834112216573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (834112216573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417056108285 + 417056108286.

It is an arithmetic number, because the mean of its divisors is an integer number (417056108286).

Almost surely, 2^834112216571 is an apocalyptic number.

834112216571 is a deficient number, since it is larger than the sum of its proper divisors (1).

834112216571 is an equidigital number, since it uses as much as digits as its factorization.

834112216571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The spelling of 834112216571 in words is "eight hundred thirty-four billion, one hundred twelve million, two hundred sixteen thousand, five hundred seventy-one".