41322073561 has 2 divisors, whose sum is σ = 41322073562. Its totient is φ = 41322073560.

The previous prime is 41322073543. The next prime is 41322073577. The reversal of 41322073561 is 16537022314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29365963225 + 11956110336 = 171365^2 + 109344^2 .

It is a cyclic number.

It is not a de Polignac number, because 41322073561 - 2¹⁷ = 41321942489 is a prime.

It is not a weakly prime, because it can be changed into another prime (41322073511) 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, 20661036780 + 20661036781.

It is an arithmetic number, because the mean of its divisors is an integer number (20661036781).

Almost surely, 2^41322073561 is an apocalyptic number.

It is an amenable number.

41322073561 is a deficient number, since it is larger than the sum of its proper divisors (1).

41322073561 is an equidigital number, since it uses as much as digits as its factorization.

41322073561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 41322073561 its reverse (16537022314), we get a palindrome (57859095875).

The spelling of 41322073561 in words is "forty-one billion, three hundred twenty-two million, seventy-three thousand, five hundred sixty-one".