9918943098750 has 240 divisors, whose sum is σ = 30727855013856. Its totient is φ = 2264513760000.

The previous prime is 9918943098697. The next prime is 9918943098761. The reversal of 9918943098750 is 578903498199.

9918943098750 is a `hidden beast` number, since 9 + 9 + 189 + 430 + 9 + 8 + 7 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 67099920 + ... + 67247580.

Almost surely, 2^{9918943098750} is an apocalyptic number.

9918943098750 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9918943098750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15363927506928).

9918943098750 is an abundant number, since it is smaller than the sum of its proper divisors (20808911915106).

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

9918943098750 is a wasteful number, since it uses less digits than its factorization.

9918943098750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148549 (or 148531 counting only the distinct ones).

The product of its (nonzero) digits is 176359680, while the sum is 72.

The spelling of 9918943098750 in words is "nine trillion, nine hundred eighteen billion, nine hundred forty-three million, ninety-eight thousand, seven hundred fifty".