9973309243 has 16 divisors (see below), whose sum is σ = 10971242496. Its totient is φ = 9035500320.

The previous prime is 9973309223. The next prime is 9973309271. The reversal of 9973309243 is 3429033799.

It is not a de Polignac number, because 9973309243 - 2⁵ = 9973309211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9973309223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115296 + ... + 182317.

It is an arithmetic number, because the mean of its divisors is an integer number (685702656).

Almost surely, 2^9973309243 is an apocalyptic number.

9973309243 is a deficient number, since it is larger than the sum of its proper divisors (997933253).

9973309243 is a wasteful number, since it uses less digits than its factorization.

9973309243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297714.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The square root of 9973309243 is about 99866.4570463977. The cubic root of 9973309243 is about 2152.5161990595.

The spelling of 9973309243 in words is "nine billion, nine hundred seventy-three million, three hundred nine thousand, two hundred forty-three".