201008237189 has 2 divisors, whose sum is σ = 201008237190. Its totient is φ = 201008237188.

The previous prime is 201008237161. The next prime is 201008237203. The reversal of 201008237189 is 981732800102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198789356164 + 2218881025 = 445858^2 + 47105^2 .

It is a cyclic number.

It is not a de Polignac number, because 201008237189 - 2²⁸ = 200739801733 is a prime.

It is a super-2 number, since 2×201008237189² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201008237159) 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, 100504118594 + 100504118595.

It is an arithmetic number, because the mean of its divisors is an integer number (100504118595).

Almost surely, 2^201008237189 is an apocalyptic number.

It is an amenable number.

201008237189 is a deficient number, since it is larger than the sum of its proper divisors (1).

201008237189 is an equidigital number, since it uses as much as digits as its factorization.

201008237189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 201008237189 in words is "two hundred one billion, eight million, two hundred thirty-seven thousand, one hundred eighty-nine".