9800000000000 has 468 divisors, whose sum is σ = 28496520879372. Its totient is φ = 3360000000000.

The previous prime is 9799999999877. The next prime is 9800000000009. The reversal of 9800000000000 is 89.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 1400946835456 + 8399053164544 = 1183616^2 + 2898112^2 .

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9800000000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1399999999997 + ... + 1400000000003.

It is an arithmetic number, because the mean of its divisors is an integer number (60890001879).

Almost surely, 2^{9800000000000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9800000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14248260439686).

9800000000000 is an abundant number, since it is smaller than the sum of its proper divisors (18696520879372).

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

9800000000000 is an frugal number, since it uses more digits than its factorization.

9800000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 14 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 9800000000000 its reverse (89), we get a palindrome (9800000000089).

The spelling of 9800000000000 in words is "nine trillion, eight hundred billion", and thus it is an aban number.