9042240899 has 4 divisors (see below), whose sum is σ = 9042962136. Its totient is φ = 9041519664.

The previous prime is 9042240871. The next prime is 9042240917. The reversal of 9042240899 is 9980422409.

9042240899 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9042240899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9042240299) 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 3 ways as a sum of consecutive naturals, for example, 341474 + ... + 366999.

It is an arithmetic number, because the mean of its divisors is an integer number (2260740534).

Almost surely, 2^9042240899 is an apocalyptic number.

9042240899 is a deficient number, since it is larger than the sum of its proper divisors (721237).

9042240899 is a wasteful number, since it uses less digits than its factorization.

9042240899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721236.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 9042240899 is about 95090.6982780125. The cubic root of 9042240899 is about 2083.3329899320.

The spelling of 9042240899 in words is "nine billion, forty-two million, two hundred forty thousand, eight hundred ninety-nine".