9944123051 has 4 divisors (see below), whose sum is σ = 9980817504. Its totient is φ = 9907428600.

The previous prime is 9944123047. The next prime is 9944123087. The reversal of 9944123051 is 1503214499.

9944123051 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 a cyclic number.

It is not a de Polignac number, because 9944123051 - 2² = 9944123047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9944122996 and 9944123014.

It is not an unprimeable number, because it can be changed into a prime (9944120051) 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, 18346820 + ... + 18347361.

It is an arithmetic number, because the mean of its divisors is an integer number (2495204376).

Almost surely, 2^9944123051 is an apocalyptic number.

9944123051 is a deficient number, since it is larger than the sum of its proper divisors (36694453).

9944123051 is a wasteful number, since it uses less digits than its factorization.

9944123051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36694452.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 9944123051 is about 99720.2238816179. The cubic root of 9944123051 is about 2150.4144181136.

The spelling of 9944123051 in words is "nine billion, nine hundred forty-four million, one hundred twenty-three thousand, fifty-one".