6898911220 has 36 divisors (see below), whose sum is σ = 14889915180. Its totient is φ = 2684971008.

The previous prime is 6898911211. The next prime is 6898911247. The reversal of 6898911220 is 221198986.

It can be written as a sum of positive squares in 6 ways, for example, as 770839696 + 6128071524 = 27764^2 + 78282^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98605 + ... + 153364.

It is an arithmetic number, because the mean of its divisors is an integer number (413608755).

Almost surely, 2^6898911220 is an apocalyptic number.

It is an amenable number.

6898911220 is an abundant number, since it is smaller than the sum of its proper divisors (7991003960).

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

6898911220 is a wasteful number, since it uses less digits than its factorization.

6898911220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252052 (or 252013 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 6898911220 is about 83059.6846851708. The cubic root of 6898911220 is about 1903.6781216382.

The spelling of 6898911220 in words is "six billion, eight hundred ninety-eight million, nine hundred eleven thousand, two hundred twenty".