9842444811 has 32 divisors (see below), whose sum is σ = 14857088000. Its totient is φ = 6438597984.

The previous prime is 9842444779. The next prime is 9842444827. The reversal of 9842444811 is 1184442489.

9842444811 is a `hidden beast` number, since 98 + 42 + 44 + 481 + 1 = 666.

It is not a de Polignac number, because 9842444811 - 2⁵ = 9842444779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9842444861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 333525 + ... + 361833.

It is an arithmetic number, because the mean of its divisors is an integer number (464284000).

Almost surely, 2^9842444811 is an apocalyptic number.

9842444811 is a deficient number, since it is larger than the sum of its proper divisors (5014643189).

9842444811 is a wasteful number, since it uses less digits than its factorization.

9842444811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28560 (or 28554 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 9842444811 is about 99209.0964125770. The cubic root of 9842444811 is about 2143.0599956478.

The spelling of 9842444811 in words is "nine billion, eight hundred forty-two million, four hundred forty-four thousand, eight hundred eleven".