1443175065641 has 2 divisors, whose sum is σ = 1443175065642. Its totient is φ = 1443175065640.

The previous prime is 1443175065601. The next prime is 1443175065643. The reversal of 1443175065641 is 1465605713441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 841813590016 + 601361475625 = 917504^2 + 775475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1443175065641 is a prime.

It is a Sophie Germain prime.

Together with 1443175065643, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1443175065643) 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, 721587532820 + 721587532821.

It is an arithmetic number, because the mean of its divisors is an integer number (721587532821).

Almost surely, 2^{1443175065641} is an apocalyptic number.

It is an amenable number.

1443175065641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1443175065641 is an equidigital number, since it uses as much as digits as its factorization.

1443175065641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 1443175065641 in words is "one trillion, four hundred forty-three billion, one hundred seventy-five million, sixty-five thousand, six hundred forty-one".