9305680243 has 4 divisors (see below), whose sum is σ = 9311712688. Its totient is φ = 9299647800.

The previous prime is 9305680231. The next prime is 9305680253. The reversal of 9305680243 is 3420865039.

9305680243 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 9305680243 - 2⁹ = 9305679731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9305680196 and 9305680205.

It is not an unprimeable number, because it can be changed into a prime (9305680253) 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, 3013908 + ... + 3016993.

It is an arithmetic number, because the mean of its divisors is an integer number (2327928172).

Almost surely, 2^9305680243 is an apocalyptic number.

9305680243 is a deficient number, since it is larger than the sum of its proper divisors (6032445).

9305680243 is a wasteful number, since it uses less digits than its factorization.

9305680243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032444.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 9305680243 is about 96465.9538023649. The cubic root of 9305680243 is about 2103.3717748159.

The spelling of 9305680243 in words is "nine billion, three hundred five million, six hundred eighty thousand, two hundred forty-three".