6898989312 has 216 divisors, whose sum is σ = 20534841600. Its totient is φ = 2226216960.

The previous prime is 6898989301. The next prime is 6898989343. The reversal of 6898989312 is 2139898986.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 6898989312.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18798153 + ... + 18798519.

Almost surely, 2^6898989312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6898989312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10267420800).

6898989312 is an abundant number, since it is smaller than the sum of its proper divisors (13635852288).

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

6898989312 is a wasteful number, since it uses less digits than its factorization.

6898989312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 612 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 63.

The square root of 6898989312 is about 83060.1547795331. The cubic root of 6898989312 is about 1903.6853044851.

The spelling of 6898989312 in words is "six billion, eight hundred ninety-eight million, nine hundred eighty-nine thousand, three hundred twelve".