5696656712289 has 9 divisors (see below), whose sum is σ = 8228514482643. Its totient is φ = 3797766367992.

The previous prime is 5696656712239. The next prime is 5696656712297. The reversal of 5696656712289 is 9822176566965.

It is a happy number.

The square root of 5696656712289 is 2386767.

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

5696656712289 is a `hidden beast` number, since 56 + 9 + 6 + 6 + 567 + 1 + 2 + 2 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 840186724689 + 4856469987600 = 916617^2 + 2203740^2 .

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

It is not a de Polignac number, because 5696656712289 - 2²⁵ = 5696623157857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5696656712209) 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, 6762507 + ... + 7558095.

Almost surely, 2^{5696656712289} is an apocalyptic number.

5696656712289 is the 2386767-th square number.

5696656712289 is the 1193384-th centered octagonal number.

It is an amenable number.

5696656712289 is a deficient number, since it is larger than the sum of its proper divisors (2531857770354).

5696656712289 is an frugal number, since it uses more digits than its factorization.

5696656712289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591184 (or 795592 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 72.

The spelling of 5696656712289 in words is "five trillion, six hundred ninety-six billion, six hundred fifty-six million, seven hundred twelve thousand, two hundred eighty-nine".