34181723689 has 9 divisors (see below), whose sum is σ = 34353225399. Its totient is φ = 34011076680.

The previous prime is 34181723669. The next prime is 34181723707. The reversal of 34181723689 is 98632718143.

The square root of 34181723689 is 184883.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 32340627225 + 1841096464 = 179835^2 + 42908^2 .

It is not a de Polignac number, because 34181723689 - 2⁷ = 34181723561 is a prime.

It is a super-2 number, since 2×34181723689² (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 (34181723669) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 54170404 + ... + 54171034.

Almost surely, 2^34181723689 is an apocalyptic number.

34181723689 is the 184883-rd square number.

34181723689 is the 92442-nd centered octagonal number.

It is an amenable number.

34181723689 is a deficient number, since it is larger than the sum of its proper divisors (171501710).

34181723689 is an frugal number, since it uses more digits than its factorization.

34181723689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848 (or 924 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The spelling of 34181723689 in words is "thirty-four billion, one hundred eighty-one million, seven hundred twenty-three thousand, six hundred eighty-nine".