6820922063 has 4 divisors (see below), whose sum is σ = 6821736120. Its totient is φ = 6820108008.

The previous prime is 6820922057. The next prime is 6820922099. The reversal of 6820922063 is 3602290286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6820922063 - 2¹⁰ = 6820921039 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 (6820922023) 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 3 ways as a sum of consecutive naturals, for example, 394328 + ... + 411261.

It is an arithmetic number, because the mean of its divisors is an integer number (1705434030).

Almost surely, 2^6820922063 is an apocalyptic number.

6820922063 is a deficient number, since it is larger than the sum of its proper divisors (814057).

6820922063 is an equidigital number, since it uses as much as digits as its factorization.

6820922063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814056.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 6820922063 is about 82588.8737240072. The cubic root of 6820922063 is about 1896.4775051967.

The spelling of 6820922063 in words is "six billion, eight hundred twenty million, nine hundred twenty-two thousand, sixty-three".