239393934893 has 4 divisors (see below), whose sum is σ = 239453742528. Its totient is φ = 239334127260.

The previous prime is 239393934863. The next prime is 239393934911. The reversal of 239393934893 is 398439393932.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-239393934893 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 (239393934833) 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, 29897813 + ... + 29905818.

It is an arithmetic number, because the mean of its divisors is an integer number (59863435632).

Almost surely, 2^239393934893 is an apocalyptic number.

It is an amenable number.

239393934893 is a deficient number, since it is larger than the sum of its proper divisors (59807635).

239393934893 is an equidigital number, since it uses as much as digits as its factorization.

239393934893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59807634.

The product of its digits is 102036672, while the sum is 65.

The spelling of 239393934893 in words is "two hundred thirty-nine billion, three hundred ninety-three million, nine hundred thirty-four thousand, eight hundred ninety-three".