6685038339 has 16 divisors (see below), whose sum is σ = 10260015360. Its totient is φ = 3792538080.

The previous prime is 6685038329. The next prime is 6685038341. The reversal of 6685038339 is 9338305866.

It is not a de Polignac number, because 6685038339 - 2⁴ = 6685038323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6685038291 and 6685038300.

It is not an unprimeable number, because it can be changed into a prime (6685038329) 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, 1142172 + ... + 1148009.

It is an arithmetic number, because the mean of its divisors is an integer number (641250960).

Almost surely, 2^6685038339 is an apocalyptic number.

6685038339 is a deficient number, since it is larger than the sum of its proper divisors (3574977021).

6685038339 is a wasteful number, since it uses less digits than its factorization.

6685038339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290330.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The square root of 6685038339 is about 81762.0837491315. The cubic root of 6685038339 is about 1883.7993126619.

The spelling of 6685038339 in words is "six billion, six hundred eighty-five million, thirty-eight thousand, three hundred thirty-nine".