9910989000000 has 1764 divisors, whose sum is σ = 41171285500800. Its totient is φ = 2271456000000.

The previous prime is 9910988999993. The next prime is 9910989000071. The reversal of 9910989000000 is 9890199.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 9910989000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 251 ways as a sum of consecutive naturals, for example, 20690999761 + ... + 20691000239.

Almost surely, 2^{9910989000000} is an apocalyptic number.

9910989000000 is a gapful number since it is divisible by the number (90) 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 9910989000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20585642750400).

9910989000000 is an abundant number, since it is smaller than the sum of its proper divisors (31260296500800).

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

9910989000000 is a wasteful number, since it uses less digits than its factorization.

9910989000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 45.

The spelling of 9910989000000 in words is "nine trillion, nine hundred ten billion, nine hundred eighty-nine million", and thus it is an aban number.