9801443572 has 24 divisors (see below), whose sum is σ = 17300878560. Its totient is φ = 4858502880.

The previous prime is 9801443563. The next prime is 9801443627. The reversal of 9801443572 is 2753441089.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216318 + ... + 257674.

It is an arithmetic number, because the mean of its divisors is an integer number (720869940).

Almost surely, 2^9801443572 is an apocalyptic number.

It is an amenable number.

9801443572 is a deficient number, since it is larger than the sum of its proper divisors (7499434988).

9801443572 is a wasteful number, since it uses less digits than its factorization.

9801443572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41871 (or 41869 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 9801443572 is about 99002.2402372795. The cubic root of 9801443572 is about 2140.0800310711.

The spelling of 9801443572 in words is "nine billion, eight hundred one million, four hundred forty-three thousand, five hundred seventy-two".