41219096561 has 2 divisors, whose sum is σ = 41219096562. Its totient is φ = 41219096560.

The previous prime is 41219096533. The next prime is 41219096573. The reversal of 41219096561 is 16569091214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36242640625 + 4976455936 = 190375^2 + 70544^2 .

It is a cyclic number.

It is not a de Polignac number, because 41219096561 - 2³⁰ = 40145354737 is a prime.

It is not a weakly prime, because it can be changed into another prime (41219096531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20609548280 + 20609548281.

It is an arithmetic number, because the mean of its divisors is an integer number (20609548281).

Almost surely, 2^41219096561 is an apocalyptic number.

It is an amenable number.

41219096561 is a deficient number, since it is larger than the sum of its proper divisors (1).

41219096561 is an equidigital number, since it uses as much as digits as its factorization.

41219096561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 41219096561 in words is "forty-one billion, two hundred nineteen million, ninety-six thousand, five hundred sixty-one".