6838124075891 has 2 divisors, whose sum is σ = 6838124075892. Its totient is φ = 6838124075890.

The previous prime is 6838124075851. The next prime is 6838124075921. The reversal of 6838124075891 is 1985704218386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6838124075891 - 2¹⁰ = 6838124074867 is a prime.

It is not a weakly prime, because it can be changed into another prime (6838124075851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3419062037945 + 3419062037946.

It is an arithmetic number, because the mean of its divisors is an integer number (3419062037946).

It is a 1-persistent number, because it is pandigital, but 2⋅6838124075891 = 13676248151782 is not.

Almost surely, 2^{6838124075891} is an apocalyptic number.

6838124075891 is a deficient number, since it is larger than the sum of its proper divisors (1).

6838124075891 is an equidigital number, since it uses as much as digits as its factorization.

6838124075891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23224320, while the sum is 62.

The spelling of 6838124075891 in words is "six trillion, eight hundred thirty-eight billion, one hundred twenty-four million, seventy-five thousand, eight hundred ninety-one".