9911423242 has 16 divisors (see below), whose sum is σ = 17058710592. Its totient is φ = 4230828000.

The previous prime is 9911423227. The next prime is 9911423243. The reversal of 9911423242 is 2423241199.

9911423242 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9911423243) 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, 1406763 + ... + 1413790.

It is an arithmetic number, because the mean of its divisors is an integer number (1066169412).

Almost surely, 2^9911423242 is an apocalyptic number.

9911423242 is a deficient number, since it is larger than the sum of its proper divisors (7147287350).

9911423242 is a wasteful number, since it uses less digits than its factorization.

9911423242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820813.

The product of its digits is 31104, while the sum is 37.

The square root of 9911423242 is about 99556.1311120516. The cubic root of 9911423242 is about 2148.0547208831.

The spelling of 9911423242 in words is "nine billion, nine hundred eleven million, four hundred twenty-three thousand, two hundred forty-two".