9984942436911 has 16 divisors (see below), whose sum is σ = 14352493056384. Its totient is φ = 6138091469664.

The previous prime is 9984942436873. The next prime is 9984942436919. The reversal of 9984942436911 is 1196342494899.

It is a happy number.

9984942436911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9984942436911 - 2¹⁷ = 9984942305839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9984942436919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135139501 + ... + 135213366.

It is an arithmetic number, because the mean of its divisors is an integer number (897030816024).

Almost surely, 2^{9984942436911} is an apocalyptic number.

9984942436911 is a deficient number, since it is larger than the sum of its proper divisors (4367550619473).

9984942436911 is a wasteful number, since it uses less digits than its factorization.

9984942436911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270353830.

The product of its digits is 120932352, while the sum is 69.

The spelling of 9984942436911 in words is "nine trillion, nine hundred eighty-four billion, nine hundred forty-two million, four hundred thirty-six thousand, nine hundred eleven".