10042442109 has 12 divisors (see below), whose sum is σ = 16577999776. Its totient is φ = 5738538312.

The previous prime is 10042442087. The next prime is 10042442117. The reversal of 10042442109 is 90124424001.

It is a happy number.

10042442109 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 10042442109 - 2⁹ = 10042441597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10042442119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79701859 + ... + 79701984.

Almost surely, 2^10042442109 is an apocalyptic number.

It is an amenable number.

10042442109 is a deficient number, since it is larger than the sum of its proper divisors (6535557667).

10042442109 is a wasteful number, since it uses less digits than its factorization.

10042442109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159403856 (or 159403853 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 10042442109 in words is "ten billion, forty-two million, four hundred forty-two thousand, one hundred nine".