441201421169 has 2 divisors, whose sum is σ = 441201421170. Its totient is φ = 441201421168.

The previous prime is 441201421147. The next prime is 441201421183. The reversal of 441201421169 is 961124102144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434201923600 + 6999497569 = 658940^2 + 83663^2 .

It is a cyclic number.

It is not a de Polignac number, because 441201421169 - 2³² = 436906453873 is a prime.

It is a super-2 number, since 2×441201421169² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (441201421469) 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, 220600710584 + 220600710585.

It is an arithmetic number, because the mean of its divisors is an integer number (220600710585).

Almost surely, 2^441201421169 is an apocalyptic number.

It is an amenable number.

441201421169 is a deficient number, since it is larger than the sum of its proper divisors (1).

441201421169 is an equidigital number, since it uses as much as digits as its factorization.

441201421169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 441201421169 in words is "four hundred forty-one billion, two hundred one million, four hundred twenty-one thousand, one hundred sixty-nine".