5684216124865 has 4 divisors (see below), whose sum is σ = 6821059349844. Its totient is φ = 4547372899888.

The previous prime is 5684216124833. The next prime is 5684216124869.

5684216124865 is nontrivially palindromic in base 10.

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 4161502080576 + 1522714044289 = 2039976^2 + 1233983^2 .

It is a cyclic number.

It is not a de Polignac number, because 5684216124865 - 2⁵ = 5684216124833 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5684216124869) 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, 568421612482 + ... + 568421612491.

It is an arithmetic number, because the mean of its divisors is an integer number (1705264837461).

Almost surely, 2^{5684216124865} is an apocalyptic number.

It is an amenable number.

5684216124865 is a deficient number, since it is larger than the sum of its proper divisors (1136843224979).

5684216124865 is a wasteful number, since it uses less digits than its factorization.

5684216124865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136843224978.

The product of its digits is 22118400, while the sum is 58.

The spelling of 5684216124865 in words is "five trillion, six hundred eighty-four billion, two hundred sixteen million, one hundred twenty-four thousand, eight hundred sixty-five".