5688666438 has 64 divisors (see below), whose sum is σ = 14011640832. Its totient is φ = 1499368320.

The previous prime is 5688666433. The next prime is 5688666469. The reversal of 5688666438 is 8346668865.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5688666433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1522020 + ... + 1525752.

It is an arithmetic number, because the mean of its divisors is an integer number (218931888).

Almost surely, 2^5688666438 is an apocalyptic number.

5688666438 is an abundant number, since it is smaller than the sum of its proper divisors (8322974394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5688666438 is a wasteful number, since it uses less digits than its factorization.

5688666438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6549.

The product of its digits is 39813120, while the sum is 60.

The square root of 5688666438 is about 75423.2486571614. The cubic root of 5688666438 is about 1785.1312651312.

The spelling of 5688666438 in words is "five billion, six hundred eighty-eight million, six hundred sixty-six thousand, four hundred thirty-eight".