5686684658 has 6 divisors (see below), whose sum is σ = 8530186959. Its totient is φ = 2843289006.

The previous prime is 5686684651. The next prime is 5686684673. The reversal of 5686684658 is 8564866865.

It can be written as a sum of positive squares in only one way, i.e., 2843342329 + 2843342329 = 53323^2 + 53323^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=53323.

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 5686684658.

It is not an unprimeable number, because it can be changed into a prime (5686684651) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 79985 + ... + 133307.

Almost surely, 2^5686684658 is an apocalyptic number.

5686684658 is a deficient number, since it is larger than the sum of its proper divisors (2843502301).

5686684658 is an frugal number, since it uses more digits than its factorization.

5686684658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106648 (or 53325 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 62.

The square root of 5686684658 is about 75410.1097864205. The cubic root of 5686684658 is about 1784.9239436453.

The spelling of 5686684658 in words is "five billion, six hundred eighty-six million, six hundred eighty-four thousand, six hundred fifty-eight".