6838687169 has 8 divisors (see below), whose sum is σ = 6927847488. Its totient is φ = 6750104400.

The previous prime is 6838687139. The next prime is 6838687199. The reversal of 6838687169 is 9617868386.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6838687139) and next prime (6838687199).

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 6838687169 - 2¹² = 6838683073 is a prime.

It is a super-2 number, since 2×6838687169² = 93535284390890469122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6838687139) 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, 120527 + ... + 167940.

It is an arithmetic number, because the mean of its divisors is an integer number (865980936).

Almost surely, 2^6838687169 is an apocalyptic number.

It is an amenable number.

6838687169 is a deficient number, since it is larger than the sum of its proper divisors (89160319).

6838687169 is a wasteful number, since it uses less digits than its factorization.

6838687169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288775.

The product of its digits is 20901888, while the sum is 62.

The square root of 6838687169 is about 82696.3552340730. The cubic root of 6838687169 is about 1898.1225377553.

The spelling of 6838687169 in words is "six billion, eight hundred thirty-eight million, six hundred eighty-seven thousand, one hundred sixty-nine".