34085843681 has 4 divisors (see below), whose sum is σ = 34917205764. Its totient is φ = 33254481600.

The previous prime is 34085843657. The next prime is 34085843689. The reversal of 34085843681 is 18634858043.

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 13222930081 + 20862913600 = 114991^2 + 144440^2 .

It is a cyclic number.

It is not a de Polignac number, because 34085843681 - 2²² = 34081649377 is a prime.

It is a super-2 number, since 2×34085843681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34085843689) 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, 415680980 + ... + 415681061.

It is an arithmetic number, because the mean of its divisors is an integer number (8729301441).

Almost surely, 2^34085843681 is an apocalyptic number.

It is an amenable number.

34085843681 is a deficient number, since it is larger than the sum of its proper divisors (831362083).

34085843681 is an equidigital number, since it uses as much as digits as its factorization.

34085843681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831362082.

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 34085843681 in words is "thirty-four billion, eighty-five million, eight hundred forty-three thousand, six hundred eighty-one".