1669090914017 has 2 divisors, whose sum is σ = 1669090914018. Its totient is φ = 1669090914016.

The previous prime is 1669090913999. The next prime is 1669090914019. The reversal of 1669090914017 is 7104190909661.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1489769154721 + 179321759296 = 1220561^2 + 423464^2 .

It is a cyclic number.

It is not a de Polignac number, because 1669090914017 - 2¹⁴ = 1669090897633 is a prime.

Together with 1669090914019, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1669090914017.

It is not a weakly prime, because it can be changed into another prime (1669090914019) 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, 834545457008 + 834545457009.

It is an arithmetic number, because the mean of its divisors is an integer number (834545457009).

Almost surely, 2^{1669090914017} is an apocalyptic number.

It is an amenable number.

1669090914017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1669090914017 is an equidigital number, since it uses as much as digits as its factorization.

1669090914017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 53.

The spelling of 1669090914017 in words is "one trillion, six hundred sixty-nine billion, ninety million, nine hundred fourteen thousand, seventeen".