6368818321444 has 24 divisors (see below), whose sum is σ = 11291694377600. Its totient is φ = 3142656934560.

The previous prime is 6368818321427. The next prime is 6368818321447. The reversal of 6368818321444 is 4441238188636.

It is not an unprimeable number, because it can be changed into a prime (6368818321447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3936147 + ... + 5313274.

Almost surely, 2^{6368818321444} is an apocalyptic number.

It is an amenable number.

6368818321444 is a deficient number, since it is larger than the sum of its proper divisors (4922876056156).

6368818321444 is a wasteful number, since it uses less digits than its factorization.

6368818321444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9251683 (or 9251681 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 58.

The spelling of 6368818321444 in words is "six trillion, three hundred sixty-eight billion, eight hundred eighteen million, three hundred twenty-one thousand, four hundred forty-four".