6816790551893 has 8 divisors (see below), whose sum is σ = 7790635567488. Its totient is φ = 5842949984784.

The previous prime is 6816790551887. The next prime is 6816790551911. The reversal of 6816790551893 is 3981550976186.

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 6816790551893 - 2⁴ = 6816790551877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816790551833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3382655 + ... + 5007587.

It is an arithmetic number, because the mean of its divisors is an integer number (973829445936).

Almost surely, 2^{6816790551893} is an apocalyptic number.

It is an amenable number.

6816790551893 is a deficient number, since it is larger than the sum of its proper divisors (973845015595).

6816790551893 is a wasteful number, since it uses less digits than its factorization.

6816790551893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224243.

The product of its (nonzero) digits is 97977600, while the sum is 68.

The spelling of 6816790551893 in words is "six trillion, eight hundred sixteen billion, seven hundred ninety million, five hundred fifty-one thousand, eight hundred ninety-three".