6898644444 has 48 divisors (see below), whose sum is σ = 16259196800. Its totient is φ = 2276392896.

The previous prime is 6898644433. The next prime is 6898644457. The reversal of 6898644444 is 4444468986.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2283567 + ... + 2286585.

Almost surely, 2^6898644444 is an apocalyptic number.

It is an amenable number.

6898644444 is an abundant number, since it is smaller than the sum of its proper divisors (9360552356).

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

6898644444 is a wasteful number, since it uses less digits than its factorization.

6898644444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882 (or 4880 counting only the distinct ones).

The product of its digits is 21233664, while the sum is 57.

The square root of 6898644444 is about 83058.0787401202. The cubic root of 6898644444 is about 1903.6535833613.

The spelling of 6898644444 in words is "six billion, eight hundred ninety-eight million, six hundred forty-four thousand, four hundred forty-four".