9803543856 has 40 divisors (see below), whose sum is σ = 25914799680. Its totient is φ = 3191850816.

The previous prime is 9803543809. The next prime is 9803543857. The reversal of 9803543856 is 6583453089.

It is a happy number.

It is a super-2 number, since 2×9803543856² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9803543799 and 9803543808.

It is not an unprimeable number, because it can be changed into a prime (9803543857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2372826 + ... + 2376953.

It is an arithmetic number, because the mean of its divisors is an integer number (647869992).

Almost surely, 2^9803543856 is an apocalyptic number.

It is an amenable number.

9803543856 is an abundant number, since it is smaller than the sum of its proper divisors (16111255824).

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

9803543856 is a wasteful number, since it uses less digits than its factorization.

9803543856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749833 (or 4749827 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The square root of 9803543856 is about 99012.8469240229. The cubic root of 9803543856 is about 2140.2328811692.

The spelling of 9803543856 in words is "nine billion, eight hundred three million, five hundred forty-three thousand, eight hundred fifty-six".