834792215689 has 4 divisors (see below), whose sum is σ = 834841890000. Its totient is φ = 834742541380.

The previous prime is 834792215687. The next prime is 834792215723. The reversal of 834792215689 is 986512297438.

834792215689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 986512297438 = 2 ⋅493256148719.

It is a cyclic number.

It is not a de Polignac number, because 834792215689 - 2¹ = 834792215687 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 834792215689.

It is not an unprimeable number, because it can be changed into a prime (834792215687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24811939 + ... + 24845560.

It is an arithmetic number, because the mean of its divisors is an integer number (208710472500).

Almost surely, 2^834792215689 is an apocalyptic number.

It is an amenable number.

834792215689 is a deficient number, since it is larger than the sum of its proper divisors (49674311).

834792215689 is a wasteful number, since it uses less digits than its factorization.

834792215689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49674310.

The product of its digits is 52254720, while the sum is 64.

The spelling of 834792215689 in words is "eight hundred thirty-four billion, seven hundred ninety-two million, two hundred fifteen thousand, six hundred eighty-nine".