6395688028 has 12 divisors (see below), whose sum is σ = 11382157080. Its totient is φ = 3143643152.

The previous prime is 6395687989. The next prime is 6395688029. The reversal of 6395688028 is 8208865936.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6395688028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6395688029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13549951 + ... + 13550422.

It is an arithmetic number, because the mean of its divisors is an integer number (948513090).

Almost surely, 2^6395688028 is an apocalyptic number.

It is an amenable number.

6395688028 is a deficient number, since it is larger than the sum of its proper divisors (4986469052).

6395688028 is a wasteful number, since it uses less digits than its factorization.

6395688028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27100436 (or 27100434 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The square root of 6395688028 is about 79973.0456341385. The cubic root of 6395688028 is about 1856.2184730776.

The spelling of 6395688028 in words is "six billion, three hundred ninety-five million, six hundred eighty-eight thousand, twenty-eight".