41727522821 has 2 divisors, whose sum is σ = 41727522822. Its totient is φ = 41727522820.

The previous prime is 41727522779. The next prime is 41727522827. The reversal of 41727522821 is 12822572714.

41727522821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38932814596 + 2794708225 = 197314^2 + 52865^2 .

It is a cyclic number.

It is not a de Polignac number, because 41727522821 - 2⁶ = 41727522757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41727522827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20863761410 + 20863761411.

It is an arithmetic number, because the mean of its divisors is an integer number (20863761411).

Almost surely, 2^41727522821 is an apocalyptic number.

It is an amenable number.

41727522821 is a deficient number, since it is larger than the sum of its proper divisors (1).

41727522821 is an equidigital number, since it uses as much as digits as its factorization.

41727522821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125440, while the sum is 41.

The spelling of 41727522821 in words is "forty-one billion, seven hundred twenty-seven million, five hundred twenty-two thousand, eight hundred twenty-one".