2145332203589 has 2 divisors, whose sum is σ = 2145332203590. Its totient is φ = 2145332203588.

The previous prime is 2145332203549. The next prime is 2145332203591. The reversal of 2145332203589 is 9853022335412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1854199656100 + 291132547489 = 1361690^2 + 539567^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145332203589 is a prime.

It is a Sophie Germain prime.

Together with 2145332203591, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145332203549) 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, 1072666101794 + 1072666101795.

It is an arithmetic number, because the mean of its divisors is an integer number (1072666101795).

Almost surely, 2^{2145332203589} is an apocalyptic number.

It is an amenable number.

2145332203589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145332203589 is an equidigital number, since it uses as much as digits as its factorization.

2145332203589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 2145332203589 in words is "two trillion, one hundred forty-five billion, three hundred thirty-two million, two hundred three thousand, five hundred eighty-nine".