1326343070189 has 2 divisors, whose sum is σ = 1326343070190. Its totient is φ = 1326343070188.

The previous prime is 1326343070141. The next prime is 1326343070233. The reversal of 1326343070189 is 9810703436231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 778202736964 + 548140333225 = 882158^2 + 740365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1326343070189 - 2⁴⁰ = 226831442413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326343070389) 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, 663171535094 + 663171535095.

It is an arithmetic number, because the mean of its divisors is an integer number (663171535095).

Almost surely, 2^{1326343070189} is an apocalyptic number.

It is an amenable number.

1326343070189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326343070189 is an equidigital number, since it uses as much as digits as its factorization.

1326343070189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 1326343070189 in words is "one trillion, three hundred twenty-six billion, three hundred forty-three million, seventy thousand, one hundred eighty-nine".