6845559598891 has 8 divisors (see below), whose sum is σ = 7441039623024. Its totient is φ = 6259922220000.

The previous prime is 6845559598883. The next prime is 6845559598907. The reversal of 6845559598891 is 1988959555486.

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 6845559598891 - 2³ = 6845559598883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6845559598811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2460659860 + ... + 2460662641.

It is an arithmetic number, because the mean of its divisors is an integer number (930129952878).

Almost surely, 2^{6845559598891} is an apocalyptic number.

6845559598891 is a deficient number, since it is larger than the sum of its proper divisors (595480024133).

6845559598891 is a wasteful number, since it uses less digits than its factorization.

6845559598891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4921322621.

The product of its digits is 5598720000, while the sum is 82.

The spelling of 6845559598891 in words is "six trillion, eight hundred forty-five billion, five hundred fifty-nine million, five hundred ninety-eight thousand, eight hundred ninety-one".