188145660395713 has 2 divisors, whose sum is σ = 188145660395714. Its totient is φ = 188145660395712.

The previous prime is 188145660395569. The next prime is 188145660395729. The reversal of 188145660395713 is 317593066541881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113835605568129 + 74310054827584 = 10669377^2 + 8620328^2 .

It is a cyclic number.

It is not a de Polignac number, because 188145660395713 - 2¹³ = 188145660387521 is a prime.

It is not a weakly prime, because it can be changed into another prime (188145660399713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94072830197856 + 94072830197857.

It is an arithmetic number, because the mean of its divisors is an integer number (94072830197857).

Almost surely, 2^{188145660395713} is an apocalyptic number.

It is an amenable number.

188145660395713 is a deficient number, since it is larger than the sum of its proper divisors (1).

188145660395713 is an equidigital number, since it uses as much as digits as its factorization.

188145660395713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 130636800, while the sum is 67.

The spelling of 188145660395713 in words is "one hundred eighty-eight trillion, one hundred forty-five billion, six hundred sixty million, three hundred ninety-five thousand, seven hundred thirteen".