834704242571 has 4 divisors (see below), whose sum is σ = 883804492152. Its totient is φ = 785603992992.

The previous prime is 834704242513. The next prime is 834704242591. The reversal of 834704242571 is 175242407438.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-834704242571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834704242511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24550124765 + ... + 24550124798.

It is an arithmetic number, because the mean of its divisors is an integer number (220951123038).

Almost surely, 2^834704242571 is an apocalyptic number.

834704242571 is a deficient number, since it is larger than the sum of its proper divisors (49100249581).

834704242571 is a wasteful number, since it uses less digits than its factorization.

834704242571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49100249580.

The product of its (nonzero) digits is 1505280, while the sum is 47.

The spelling of 834704242571 in words is "eight hundred thirty-four billion, seven hundred four million, two hundred forty-two thousand, five hundred seventy-one".