6898212227520 has 672 divisors, whose sum is σ = 25240177347840. Its totient is φ = 1792217456640.

The previous prime is 6898212227443. The next prime is 6898212227563. The reversal of 6898212227520 is 257222128986.

6898212227520 is a `hidden beast` number, since 6 + 8 + 9 + 82 + 12 + 2 + 27 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4651524699 + ... + 4651526181.

It is an arithmetic number, because the mean of its divisors is an integer number (37559787720).

Almost surely, 2^{6898212227520} is an apocalyptic number.

6898212227520 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6898212227520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12620088673920).

6898212227520 is an abundant number, since it is smaller than the sum of its proper divisors (18341965120320).

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

6898212227520 is a wasteful number, since it uses less digits than its factorization.

6898212227520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015 (or 2993 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 6898212227520 in words is "six trillion, eight hundred ninety-eight billion, two hundred twelve million, two hundred twenty-seven thousand, five hundred twenty".