9913850500 has 24 divisors (see below), whose sum is σ = 21651850584. Its totient is φ = 3965540000.

The previous prime is 9913850461. The next prime is 9913850501. The reversal of 9913850500 is 50583199.

It can be written as a sum of positive squares in 4 ways, for example, as 16386304 + 9897464196 = 4048^2 + 99486^2 .

It is not an unprimeable number, because it can be changed into a prime (9913850501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9913351 + ... + 9914350.

It is an arithmetic number, because the mean of its divisors is an integer number (902160441).

Almost surely, 2^9913850500 is an apocalyptic number.

It is an amenable number.

9913850500 is an abundant number, since it is smaller than the sum of its proper divisors (11738000084).

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

9913850500 is a wasteful number, since it uses less digits than its factorization.

9913850500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19827720 (or 19827708 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 9913850500 is about 99568.3207651912. The cubic root of 9913850500 is about 2148.2300558583.

The spelling of 9913850500 in words is "nine billion, nine hundred thirteen million, eight hundred fifty thousand, five hundred".