9904368243 has 24 divisors (see below), whose sum is σ = 16589138944. Its totient is φ = 5145125040.

The previous prime is 9904368239. The next prime is 9904368247. The reversal of 9904368243 is 3428634099.

9904368243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9904368239) and next prime (9904368247).

It is not a de Polignac number, because 9904368243 - 2² = 9904368239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9904368192 and 9904368201.

It is not an unprimeable number, because it can be changed into a prime (9904368247) 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 23 ways as a sum of consecutive naturals, for example, 1946371 + ... + 1951452.

Almost surely, 2^9904368243 is an apocalyptic number.

9904368243 is a deficient number, since it is larger than the sum of its proper divisors (6684770701).

9904368243 is a wasteful number, since it uses less digits than its factorization.

9904368243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897855 (or 3897844 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The square root of 9904368243 is about 99520.6925367785. The cubic root of 9904368243 is about 2147.5449346614.

The spelling of 9904368243 in words is "nine billion, nine hundred four million, three hundred sixty-eight thousand, two hundred forty-three".