5691244810689 has 9 divisors (see below), whose sum is σ = 8220697286529. Its totient is φ = 3794158435860.

The previous prime is 5691244810607. The next prime is 5691244810747. The reversal of 5691244810689 is 9860184421965.

The square root of 5691244810689 is 2385633.

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

5691244810689 is a `hidden beast` number, since 5 + 6 + 9 + 1 + 2 + 448 + 106 + 89 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 5691244810689 - 2²¹ = 5691242713537 is a prime.

It is a super-3 number, since 3×5691244810689³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5691244811689) 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, 6759294 + ... + 7554504.

Almost surely, 2^{5691244810689} is an apocalyptic number.

5691244810689 is the 2385633-rd square number.

5691244810689 is the 1192817-th centered octagonal number.

It is an amenable number.

5691244810689 is a deficient number, since it is larger than the sum of its proper divisors (2529452475840).

5691244810689 is an frugal number, since it uses more digits than its factorization.

5691244810689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590428 (or 795214 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 5691244810689 in words is "five trillion, six hundred ninety-one billion, two hundred forty-four million, eight hundred ten thousand, six hundred eighty-nine".