41444346661 has 2 divisors, whose sum is σ = 41444346662. Its totient is φ = 41444346660.

The previous prime is 41444346551. The next prime is 41444346719. The reversal of 41444346661 is 16664344414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40519274436 + 925072225 = 201294^2 + 30415^2 .

It is a cyclic number.

It is not a de Polignac number, because 41444346661 - 2³¹ = 39296863013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41444346761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20722173330 + 20722173331.

It is an arithmetic number, because the mean of its divisors is an integer number (20722173331).

Almost surely, 2^41444346661 is an apocalyptic number.

It is an amenable number.

41444346661 is a deficient number, since it is larger than the sum of its proper divisors (1).

41444346661 is an equidigital number, since it uses as much as digits as its factorization.

41444346661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 43.

The spelling of 41444346661 in words is "forty-one billion, four hundred forty-four million, three hundred forty-six thousand, six hundred sixty-one".