834904452161 has 4 divisors (see below), whose sum is σ = 899127871572. Its totient is φ = 770681032752.

The previous prime is 834904452139. The next prime is 834904452163. The reversal of 834904452161 is 161254409438.

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

It can be written as a sum of positive squares in 2 ways, for example, as 85874785936 + 749029666225 = 293044^2 + 865465^2 .

It is a cyclic number.

It is not a de Polignac number, because 834904452161 - 2¹⁸ = 834904190017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834904452163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32111709686 + ... + 32111709711.

It is an arithmetic number, because the mean of its divisors is an integer number (224781967893).

Almost surely, 2^834904452161 is an apocalyptic number.

It is an amenable number.

834904452161 is a deficient number, since it is larger than the sum of its proper divisors (64223419411).

834904452161 is a wasteful number, since it uses less digits than its factorization.

834904452161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64223419410.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 834904452161 in words is "eight hundred thirty-four billion, nine hundred four million, four hundred fifty-two thousand, one hundred sixty-one".