1669022258941 has 2 divisors, whose sum is σ = 1669022258942. Its totient is φ = 1669022258940.

The previous prime is 1669022258773. The next prime is 1669022258947. The reversal of 1669022258941 is 1498522209661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 866826171225 + 802196087716 = 931035^2 + 895654^2 .

It is a cyclic number.

It is not a de Polignac number, because 1669022258941 - 2¹⁵ = 1669022226173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1669022258947) 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, 834511129470 + 834511129471.

It is an arithmetic number, because the mean of its divisors is an integer number (834511129471).

Almost surely, 2^{1669022258941} is an apocalyptic number.

It is an amenable number.

1669022258941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1669022258941 is an equidigital number, since it uses as much as digits as its factorization.

1669022258941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 1669022258941 in words is "one trillion, six hundred sixty-nine billion, twenty-two million, two hundred fifty-eight thousand, nine hundred forty-one".