6898091844 has 48 divisors (see below), whose sum is σ = 19029225600. Its totient is φ = 1902921216.

The previous prime is 6898091843. The next prime is 6898091869. The reversal of 6898091844 is 4481908986.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6898091843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1413429 + ... + 1418300.

It is an arithmetic number, because the mean of its divisors is an integer number (396442200).

Almost surely, 2^6898091844 is an apocalyptic number.

It is an amenable number.

6898091844 is an abundant number, since it is smaller than the sum of its proper divisors (12131133756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6898091844 is a wasteful number, since it uses less digits than its factorization.

6898091844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831772 (or 2831770 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 57.

The square root of 6898091844 is about 83054.7520855971. The cubic root of 6898091844 is about 1903.6027527443.

The spelling of 6898091844 in words is "six billion, eight hundred ninety-eight million, ninety-one thousand, eight hundred forty-four".