41485585825421 has 2 divisors, whose sum is σ = 41485585825422. Its totient is φ = 41485585825420.

The previous prime is 41485585825417. The next prime is 41485585825427. The reversal of 41485585825421 is 12452858558414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23406379464196 + 18079206361225 = 4838014^2 + 4251965^2 .

It is a cyclic number.

It is not a de Polignac number, because 41485585825421 - 2² = 41485585825417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41485585825427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20742792912710 + 20742792912711.

It is an arithmetic number, because the mean of its divisors is an integer number (20742792912711).

Almost surely, 2^{41485585825421} is an apocalyptic number.

It is an amenable number.

41485585825421 is a deficient number, since it is larger than the sum of its proper divisors (1).

41485585825421 is an equidigital number, since it uses as much as digits as its factorization.

41485585825421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81920000, while the sum is 62.

The spelling of 41485585825421 in words is "forty-one trillion, four hundred eighty-five billion, five hundred eighty-five million, eight hundred twenty-five thousand, four hundred twenty-one".