41522566643 has 2 divisors, whose sum is σ = 41522566644. Its totient is φ = 41522566642.

The previous prime is 41522566627. The next prime is 41522566661. The reversal of 41522566643 is 34666522514.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41522566643 - 2⁴ = 41522566627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 41522566594 and 41522566603.

It is not a weakly prime, because it can be changed into another prime (41522566663) 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, 20761283321 + 20761283322.

It is an arithmetic number, because the mean of its divisors is an integer number (20761283322).

Almost surely, 2^41522566643 is an apocalyptic number.

41522566643 is a deficient number, since it is larger than the sum of its proper divisors (1).

41522566643 is an equidigital number, since it uses as much as digits as its factorization.

41522566643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 44.

The spelling of 41522566643 in words is "forty-one billion, five hundred twenty-two million, five hundred sixty-six thousand, six hundred forty-three".