239318164213 has 4 divisors (see below), whose sum is σ = 239690354848. Its totient is φ = 238945973580.

The previous prime is 239318164201. The next prime is 239318164219. The reversal of 239318164213 is 312461813932.

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-239318164213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 239318164213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239318164219) 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, 186094353 + ... + 186095638.

It is an arithmetic number, because the mean of its divisors is an integer number (59922588712).

Almost surely, 2^239318164213 is an apocalyptic number.

It is an amenable number.

239318164213 is a deficient number, since it is larger than the sum of its proper divisors (372190635).

239318164213 is an equidigital number, since it uses as much as digits as its factorization.

239318164213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372190634.

The product of its digits is 186624, while the sum is 43.

The spelling of 239318164213 in words is "two hundred thirty-nine billion, three hundred eighteen million, one hundred sixty-four thousand, two hundred thirteen".