834495681 has 4 divisors (see below), whose sum is σ = 1112660912. Its totient is φ = 556330452.

The previous prime is 834495679. The next prime is 834495691. The reversal of 834495681 is 186594438.

834495681 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.

It is not a de Polignac number, because 834495681 - 2¹ = 834495679 is a prime.

It is a super-2 number, since 2×834495681² = 1392766083215307522, which contains 22 as substring.

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 834495681.

It is not an unprimeable number, because it can be changed into a prime (834495661) 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, 139082611 + ... + 139082616.

It is an arithmetic number, because the mean of its divisors is an integer number (278165228).

Almost surely, 2^834495681 is an apocalyptic number.

It is an amenable number.

834495681 is a deficient number, since it is larger than the sum of its proper divisors (278165231).

834495681 is a wasteful number, since it uses less digits than its factorization.

834495681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278165230.

The product of its digits is 829440, while the sum is 48.

The square root of 834495681 is about 28887.6388962476. The cubic root of 834495681 is about 941.4733500293.

The spelling of 834495681 in words is "eight hundred thirty-four million, four hundred ninety-five thousand, six hundred eighty-one".