834446030197 has 4 divisors (see below), whose sum is σ = 898634186380. Its totient is φ = 770257874016.

The previous prime is 834446030179. The next prime is 834446030267. The reversal of 834446030197 is 791030644438.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 791030644438 = 2 ⋅395515322219.

It can be written as a sum of positive squares in 2 ways, for example, as 70056031761 + 764389998436 = 264681^2 + 874294^2 .

It is a cyclic number.

It is not a de Polignac number, because 834446030197 - 2¹¹ = 834446028149 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 834446030197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834446039197) 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, 32094078072 + ... + 32094078097.

It is an arithmetic number, because the mean of its divisors is an integer number (224658546595).

Almost surely, 2^834446030197 is an apocalyptic number.

It is an amenable number.

834446030197 is a deficient number, since it is larger than the sum of its proper divisors (64188156183).

834446030197 is a wasteful number, since it uses less digits than its factorization.

834446030197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64188156182.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 834446030197 in words is "eight hundred thirty-four billion, four hundred forty-six million, thirty thousand, one hundred ninety-seven".