5686559428381 has 4 divisors (see below), whose sum is σ = 6123987076732. Its totient is φ = 5249131780032.

The previous prime is 5686559428339. The next prime is 5686559428421. The reversal of 5686559428381 is 1838249556865.

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 3427126562500 + 2259432865881 = 1851250^2 + 1503141^2 .

It is a cyclic number.

It is not a de Polignac number, because 5686559428381 - 2²¹ = 5686557331229 is a prime.

It is a super-2 number, since 2×5686559428381² (a number of 26 digits) contains 22 as substring.

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 5686559428381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5686559428331) 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, 218713824156 + ... + 218713824181.

It is an arithmetic number, because the mean of its divisors is an integer number (1530996769183).

Almost surely, 2^{5686559428381} is an apocalyptic number.

It is an amenable number.

5686559428381 is a deficient number, since it is larger than the sum of its proper divisors (437427648351).

5686559428381 is a wasteful number, since it uses less digits than its factorization.

5686559428381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437427648350.

The product of its digits is 497664000, while the sum is 70.

The spelling of 5686559428381 in words is "five trillion, six hundred eighty-six billion, five hundred fifty-nine million, four hundred twenty-eight thousand, three hundred eighty-one".