2321565332189 has 2 divisors, whose sum is σ = 2321565332190. Its totient is φ = 2321565332188.

The previous prime is 2321565332161. The next prime is 2321565332231. The reversal of 2321565332189 is 9812335651232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2254307059225 + 67258272964 = 1501435^2 + 259342^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321565332189 - 2³⁶ = 2252845855453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321565338189) 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, 1160782666094 + 1160782666095.

It is an arithmetic number, because the mean of its divisors is an integer number (1160782666095).

Almost surely, 2^{2321565332189} is an apocalyptic number.

It is an amenable number.

2321565332189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321565332189 is an equidigital number, since it uses as much as digits as its factorization.

2321565332189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 50.

The spelling of 2321565332189 in words is "two trillion, three hundred twenty-one billion, five hundred sixty-five million, three hundred thirty-two thousand, one hundred eighty-nine".