6821873203 has 8 divisors (see below), whose sum is σ = 7472234880. Its totient is φ = 6199186560.

The previous prime is 6821873173. The next prime is 6821873213. The reversal of 6821873203 is 3023781286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6821873203 - 2¹⁷ = 6821742131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6821873213) 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 7 ways as a sum of consecutive naturals, for example, 6918243 + ... + 6919228.

It is an arithmetic number, because the mean of its divisors is an integer number (934029360).

Almost surely, 2^6821873203 is an apocalyptic number.

6821873203 is a deficient number, since it is larger than the sum of its proper divisors (650361677).

6821873203 is a wasteful number, since it uses less digits than its factorization.

6821873203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13837517.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 6821873203 is about 82594.6318049787. The cubic root of 6821873203 is about 1896.5656522126.

The spelling of 6821873203 in words is "six billion, eight hundred twenty-one million, eight hundred seventy-three thousand, two hundred three".