8383930293839 has 4 divisors (see below), whose sum is σ = 8398821822456. Its totient is φ = 8369038765224.

The previous prime is 8383930293803. The next prime is 8383930293857. The reversal of 8383930293839 is 9383920393838.

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 8383930293839 - 2¹² = 8383930289743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8383930293899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7445763464 + ... + 7445764589.

It is an arithmetic number, because the mean of its divisors is an integer number (2099705455614).

Almost surely, 2^{8383930293839} is an apocalyptic number.

8383930293839 is a deficient number, since it is larger than the sum of its proper divisors (14891528617).

8383930293839 is a wasteful number, since it uses less digits than its factorization.

8383930293839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14891528616.

The product of its (nonzero) digits is 181398528, while the sum is 68.

Subtracting 8383930293839 from its reverse (9383920393838), we obtain a palindrome (999990099999).

The spelling of 8383930293839 in words is "eight trillion, three hundred eighty-three billion, nine hundred thirty million, two hundred ninety-three thousand, eight hundred thirty-nine".