6684203813 has 4 divisors (see below), whose sum is σ = 7639090080. Its totient is φ = 5729317548.

The previous prime is 6684203767. The next prime is 6684203821. The reversal of 6684203813 is 3183024866.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6684203813 - 2¹⁶ = 6684138277 is a prime.

It is a super-2 number, since 2×6684203813² = 89357161227447477938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6684203863) 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, 477443123 + ... + 477443136.

It is an arithmetic number, because the mean of its divisors is an integer number (1909772520).

Almost surely, 2^6684203813 is an apocalyptic number.

It is an amenable number.

6684203813 is a deficient number, since it is larger than the sum of its proper divisors (954886267).

6684203813 is an equidigital number, since it uses as much as digits as its factorization.

6684203813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954886266.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 6684203813 is about 81756.9802096433. The cubic root of 6684203813 is about 1883.7209214423.

The spelling of 6684203813 in words is "six billion, six hundred eighty-four million, two hundred three thousand, eight hundred thirteen".