188375836213 has 2 divisors, whose sum is σ = 188375836214. Its totient is φ = 188375836212.

The previous prime is 188375836169. The next prime is 188375836219. The reversal of 188375836213 is 312638573881.

188375836213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162164873809 + 26210962404 = 402697^2 + 161898^2 .

It is an emirp because it is prime and its reverse (312638573881) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-188375836213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188375836219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94187918106 + 94187918107.

It is an arithmetic number, because the mean of its divisors is an integer number (94187918107).

Almost surely, 2^188375836213 is an apocalyptic number.

It is an amenable number.

188375836213 is a deficient number, since it is larger than the sum of its proper divisors (1).

188375836213 is an equidigital number, since it uses as much as digits as its factorization.

188375836213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 55.

The spelling of 188375836213 in words is "one hundred eighty-eight billion, three hundred seventy-five million, eight hundred thirty-six thousand, two hundred thirteen".