34343311681 has 16 divisors (see below), whose sum is σ = 41247758464. Its totient is φ = 27975435264.

The previous prime is 34343311663. The next prime is 34343311703. The reversal of 34343311681 is 18611334343.

It is not a de Polignac number, because 34343311681 - 2⁷ = 34343311553 is a prime.

It is a super-2 number, since 2×34343311681² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

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 34343311681.

It is not an unprimeable number, because it can be changed into a prime (34343311601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1530720 + ... + 1552993.

It is an arithmetic number, because the mean of its divisors is an integer number (2577984904).

Almost surely, 2^34343311681 is an apocalyptic number.

It is an amenable number.

34343311681 is a deficient number, since it is larger than the sum of its proper divisors (6904446783).

34343311681 is a wasteful number, since it uses less digits than its factorization.

34343311681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083800.

The product of its digits is 62208, while the sum is 37.

The spelling of 34343311681 in words is "thirty-four billion, three hundred forty-three million, three hundred eleven thousand, six hundred eighty-one".