9722043939 has 4 divisors (see below), whose sum is σ = 12962725256. Its totient is φ = 6481362624.

The previous prime is 9722043907. The next prime is 9722043941. The reversal of 9722043939 is 9393402279.

9722043939 is digitally balanced in base 2, because in such base 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 not a de Polignac number, because 9722043939 - 2⁵ = 9722043907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9722043959) 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, 1620340654 + ... + 1620340659.

It is an arithmetic number, because the mean of its divisors is an integer number (3240681314).

Almost surely, 2^9722043939 is an apocalyptic number.

9722043939 is a deficient number, since it is larger than the sum of its proper divisors (3240681317).

9722043939 is a wasteful number, since it uses less digits than its factorization.

9722043939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240681316.

The product of its (nonzero) digits is 734832, while the sum is 48.

The square root of 9722043939 is about 98600.4256532394. The cubic root of 9722043939 is about 2134.2855621882.

The spelling of 9722043939 in words is "nine billion, seven hundred twenty-two million, forty-three thousand, nine hundred thirty-nine".