6819427568 has 20 divisors (see below), whose sum is σ = 13393638288. Its totient is φ = 3363004800.

The previous prime is 6819427547. The next prime is 6819427591. The reversal of 6819427568 is 8657249186.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2918108 + ... + 2920443.

Almost surely, 2^6819427568 is an apocalyptic number.

It is an amenable number.

6819427568 is a deficient number, since it is larger than the sum of its proper divisors (6574210720).

6819427568 is a wasteful number, since it uses less digits than its factorization.

6819427568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5838632 (or 5838626 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 56.

The square root of 6819427568 is about 82579.8254297017. The cubic root of 6819427568 is about 1896.3389861348.

It can be divided in two parts, 681 and 9427568, that added together give a palindrome (9428249).

The spelling of 6819427568 in words is "six billion, eight hundred nineteen million, four hundred twenty-seven thousand, five hundred sixty-eight".