6698958942528 has 224 divisors, whose sum is σ = 21205583395200. Its totient is φ = 2066012725248.

The previous prime is 6698958942521. The next prime is 6698958942539. The reversal of 6698958942528 is 8252498598966.

6698958942528 is a `hidden beast` number, since 6 + 6 + 9 + 8 + 9 + 5 + 89 + 4 + 2 + 528 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6698958942521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199375 + ... + 3665742.

Almost surely, 2^{6698958942528} is an apocalyptic number.

6698958942528 is a gapful number since it is divisible by the number (68) 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 6698958942528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10602791697600).

6698958942528 is an abundant number, since it is smaller than the sum of its proper divisors (14506624452672).

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

6698958942528 is a wasteful number, since it uses less digits than its factorization.

6698958942528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3865214 (or 3865198 counting only the distinct ones).

The product of its digits is 5374771200, while the sum is 81.

The spelling of 6698958942528 in words is "six trillion, six hundred ninety-eight billion, nine hundred fifty-eight million, nine hundred forty-two thousand, five hundred twenty-eight".