8282193396821 has 16 divisors (see below), whose sum is σ = 8424232189440. Its totient is φ = 8141164536960.

The previous prime is 8282193396811. The next prime is 8282193396881. The reversal of 8282193396821 is 1286933912828.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8282193396821 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8282193396811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15941465 + ... + 16452801.

It is an arithmetic number, because the mean of its divisors is an integer number (526514511840).

Almost surely, 2^{8282193396821} is an apocalyptic number.

It is an amenable number.

8282193396821 is a deficient number, since it is larger than the sum of its proper divisors (142038792619).

8282193396821 is a wasteful number, since it uses less digits than its factorization.

8282193396821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512324.

The product of its digits is 17915904, while the sum is 62.

The spelling of 8282193396821 in words is "eight trillion, two hundred eighty-two billion, one hundred ninety-three million, three hundred ninety-six thousand, eight hundred twenty-one".