41641310621 has 2 divisors, whose sum is σ = 41641310622. Its totient is φ = 41641310620.

The previous prime is 41641310593. The next prime is 41641310647. The reversal of 41641310621 is 12601314614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36923544025 + 4717766596 = 192155^2 + 68686^2 .

It is a cyclic number.

It is not a de Polignac number, because 41641310621 - 2²² = 41637116317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41641310521) 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, 20820655310 + 20820655311.

It is an arithmetic number, because the mean of its divisors is an integer number (20820655311).

Almost surely, 2^41641310621 is an apocalyptic number.

It is an amenable number.

41641310621 is a deficient number, since it is larger than the sum of its proper divisors (1).

41641310621 is an equidigital number, since it uses as much as digits as its factorization.

41641310621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 41641310621 in words is "forty-one billion, six hundred forty-one million, three hundred ten thousand, six hundred twenty-one".