6838181388693 has 48 divisors (see below), whose sum is σ = 10698311385216. Its totient is φ = 4356600526080.

The previous prime is 6838181388667. The next prime is 6838181388707. The reversal of 6838181388693 is 3968831818386.

6838181388693 is a `hidden beast` number, since 6 + 8 + 3 + 8 + 181 + 388 + 69 + 3 = 666.

It is not a de Polignac number, because 6838181388693 - 2¹³ = 6838181380501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6838181388653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5573473 + ... + 6688793.

It is an arithmetic number, because the mean of its divisors is an integer number (222881487192).

Almost surely, 2^{6838181388693} is an apocalyptic number.

It is an amenable number.

6838181388693 is a deficient number, since it is larger than the sum of its proper divisors (3860129996523).

6838181388693 is a wasteful number, since it uses less digits than its factorization.

6838181388693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116456 (or 1116444 counting only the distinct ones).

The product of its digits is 286654464, while the sum is 72.

The spelling of 6838181388693 in words is "six trillion, eight hundred thirty-eight billion, one hundred eighty-one million, three hundred eighty-eight thousand, six hundred ninety-three".