6388823385064 has 16 divisors (see below), whose sum is σ = 11979350654400. Its totient is φ = 3194329877232.

The previous prime is 6388823385059. The next prime is 6388823385067. The reversal of 6388823385064 is 4605833288836.

It is a junction number, because it is equal to n+sod(n) for n = 6388823384987 and 6388823385005.

It is not an unprimeable number, because it can be changed into a prime (6388823385067) 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, 9894402 + ... + 10520305.

It is an arithmetic number, because the mean of its divisors is an integer number (748709415900).

Almost surely, 2^{6388823385064} is an apocalyptic number.

It is an amenable number.

6388823385064 is a deficient number, since it is larger than the sum of its proper divisors (5590527269336).

6388823385064 is a wasteful number, since it uses less digits than its factorization.

6388823385064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20453832 (or 20453828 counting only the distinct ones).

The product of its (nonzero) digits is 159252480, while the sum is 64.

The spelling of 6388823385064 in words is "six trillion, three hundred eighty-eight billion, eight hundred twenty-three million, three hundred eighty-five thousand, sixty-four".