9824393068409 has 4 divisors (see below), whose sum is σ = 9824399477904. Its totient is φ = 9824386658916.

The previous prime is 9824393068381. The next prime is 9824393068493. The reversal of 9824393068409 is 9048603934289.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9824393068409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9824393061409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600614 + ... + 4473200.

It is an arithmetic number, because the mean of its divisors is an integer number (2456099869476).

Almost surely, 2^{9824393068409} is an apocalyptic number.

It is an amenable number.

9824393068409 is a deficient number, since it is larger than the sum of its proper divisors (6409495).

9824393068409 is a wasteful number, since it uses less digits than its factorization.

9824393068409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6409494.

The product of its (nonzero) digits is 80621568, while the sum is 65.

The spelling of 9824393068409 in words is "nine trillion, eight hundred twenty-four billion, three hundred ninety-three million, sixty-eight thousand, four hundred nine".