6684884608837 has 4 divisors (see below), whose sum is σ = 6684892514380. Its totient is φ = 6684876703296.

The previous prime is 6684884608793. The next prime is 6684884608873. The reversal of 6684884608837 is 7388064884866.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5130252180036 + 1554632428801 = 2265006^2 + 1246849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6684884608837 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 (6684884708837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2508468 + ... + 4434205.

It is an arithmetic number, because the mean of its divisors is an integer number (1671223128595).

Almost surely, 2^{6684884608837} is an apocalyptic number.

It is an amenable number.

6684884608837 is a deficient number, since it is larger than the sum of its proper divisors (7905543).

6684884608837 is an equidigital number, since it uses as much as digits as its factorization.

6684884608837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7905542.

The product of its (nonzero) digits is 2378170368, while the sum is 76.

The spelling of 6684884608837 in words is "six trillion, six hundred eighty-four billion, eight hundred eighty-four million, six hundred eight thousand, eight hundred thirty-seven".