8221333821383 has 16 divisors (see below), whose sum is σ = 8258149008576. Its totient is φ = 8184606904320.

The previous prime is 8221333821359. The next prime is 8221333821457. The reversal of 8221333821383 is 3831283331228.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8221333821383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8221333824383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575676203 + ... + 575690483.

It is an arithmetic number, because the mean of its divisors is an integer number (516134313036).

Almost surely, 2^{8221333821383} is an apocalyptic number.

8221333821383 is a deficient number, since it is larger than the sum of its proper divisors (36815187193).

8221333821383 is a wasteful number, since it uses less digits than its factorization.

8221333821383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17194.

The product of its digits is 995328, while the sum is 47.

The spelling of 8221333821383 in words is "eight trillion, two hundred twenty-one billion, three hundred thirty-three million, eight hundred twenty-one thousand, three hundred eighty-three".