6838644830767 has 4 divisors (see below), whose sum is σ = 6867995238000. Its totient is φ = 6809294423536.

The previous prime is 6838644830749. The next prime is 6838644830807. The reversal of 6838644830767 is 7670384468386.

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

It is a cyclic number.

It is not a de Polignac number, because 6838644830767 - 2¹⁹ = 6838644306479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6838644830696 and 6838644830705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6838644830167) 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, 14675203267 + ... + 14675203732.

It is an arithmetic number, because the mean of its divisors is an integer number (1716998809500).

Almost surely, 2^{6838644830767} is an apocalyptic number.

6838644830767 is a deficient number, since it is larger than the sum of its proper divisors (29350407233).

6838644830767 is a wasteful number, since it uses less digits than its factorization.

6838644830767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29350407232.

The product of its (nonzero) digits is 780337152, while the sum is 70.

The spelling of 6838644830767 in words is "six trillion, eight hundred thirty-eight billion, six hundred forty-four million, eight hundred thirty thousand, seven hundred sixty-seven".