9943676905 has 8 divisors (see below), whose sum is σ = 12223446984. Its totient is φ = 7760918400.

The previous prime is 9943676903. The next prime is 9943676909. The reversal of 9943676905 is 5096763499.

9943676905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 54567769 + 9889109136 = 7387^2 + 99444^2 .

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

It is not a de Polignac number, because 9943676905 - 2¹ = 9943676903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9943676905.

It is not an unprimeable number, because it can be changed into a prime (9943676903) 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, 24252666 + ... + 24253075.

It is an arithmetic number, because the mean of its divisors is an integer number (1527930873).

Almost surely, 2^9943676905 is an apocalyptic number.

It is an amenable number.

9943676905 is a deficient number, since it is larger than the sum of its proper divisors (2279770079).

9943676905 is a wasteful number, since it uses less digits than its factorization.

9943676905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48505787.

The product of its (nonzero) digits is 11022480, while the sum is 58.

The square root of 9943676905 is about 99717.9868679668. The cubic root of 9943676905 is about 2150.3822579746.

The spelling of 9943676905 in words is "nine billion, nine hundred forty-three million, six hundred seventy-six thousand, nine hundred five".