9801443441203 has 4 divisors (see below), whose sum is σ = 9801451516480. Its totient is φ = 9801435365928.

The previous prime is 9801443441183. The next prime is 9801443441261. The reversal of 9801443441203 is 3021443441089.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9801443441203 - 2²⁵ = 9801409886771 is a prime.

It is a super-2 number, since 2×9801443441203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9801443441203.

It is not an unprimeable number, because it can be changed into a prime (9801443447203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1805763 + ... + 4781596.

It is an arithmetic number, because the mean of its divisors is an integer number (2450362879120).

Almost surely, 2^{9801443441203} is an apocalyptic number.

9801443441203 is a deficient number, since it is larger than the sum of its proper divisors (8075277).

9801443441203 is a wasteful number, since it uses less digits than its factorization.

9801443441203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075276.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 9801443441203 in words is "nine trillion, eight hundred one billion, four hundred forty-three million, four hundred forty-one thousand, two hundred three".