9840949169 has 8 divisors (see below), whose sum is σ = 10085794752. Its totient is φ = 9596830320.

The previous prime is 9840949087. The next prime is 9840949189. The reversal of 9840949169 is 9619490489.

9840949169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9840949169 is a prime.

It is a super-2 number, since 2×9840949169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9840949189) 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 7 ways as a sum of consecutive naturals, for example, 154214 + ... + 208479.

It is an arithmetic number, because the mean of its divisors is an integer number (1260724344).

Almost surely, 2^9840949169 is an apocalyptic number.

It is an amenable number.

9840949169 is a deficient number, since it is larger than the sum of its proper divisors (244845583).

9840949169 is a wasteful number, since it uses less digits than its factorization.

9840949169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363367.

The product of its (nonzero) digits is 5038848, while the sum is 59.

The square root of 9840949169 is about 99201.5582992525. The cubic root of 9840949169 is about 2142.9514381716.

The spelling of 9840949169 in words is "nine billion, eight hundred forty million, nine hundred forty-nine thousand, one hundred sixty-nine".