32171406200389 has 2 divisors, whose sum is σ = 32171406200390. Its totient is φ = 32171406200388.

The previous prime is 32171406200333. The next prime is 32171406200443. The reversal of 32171406200389 is 98300260417123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30532089592225 + 1639316608164 = 5525585^2 + 1280358^2 .

It is an emirp because it is prime and its reverse (98300260417123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32171406200389 - 2²⁹ = 32170869329477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32171406200189) 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 as a sum of consecutive naturals, namely, 16085703100194 + 16085703100195.

It is an arithmetic number, because the mean of its divisors is an integer number (16085703100195).

Almost surely, 2^{32171406200389} is an apocalyptic number.

It is an amenable number.

32171406200389 is a deficient number, since it is larger than the sum of its proper divisors (1).

32171406200389 is an equidigital number, since it uses as much as digits as its factorization.

32171406200389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 32171406200389 in words is "thirty-two trillion, one hundred seventy-one billion, four hundred six million, two hundred thousand, three hundred eighty-nine".