6898244636 has 12 divisors (see below), whose sum is σ = 12164081160. Its totient is φ = 3422792880.

The previous prime is 6898244609. The next prime is 6898244657. The reversal of 6898244636 is 6364428986.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6581771 + ... + 6582818.

It is an arithmetic number, because the mean of its divisors is an integer number (1013673430).

Almost surely, 2^6898244636 is an apocalyptic number.

It is an amenable number.

6898244636 is a deficient number, since it is larger than the sum of its proper divisors (5265836524).

6898244636 is a wasteful number, since it uses less digits than its factorization.

6898244636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13164724 (or 13164722 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 56.

The square root of 6898244636 is about 83055.6719074622. The cubic root of 6898244636 is about 1903.6168075067.

The spelling of 6898244636 in words is "six billion, eight hundred ninety-eight million, two hundred forty-four thousand, six hundred thirty-six".