41540104606549 has 2 divisors, whose sum is σ = 41540104606550. Its totient is φ = 41540104606548.

The previous prime is 41540104606541. The next prime is 41540104606591. The reversal of 41540104606549 is 94560640104514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37037144214225 + 4502960392324 = 6085815^2 + 2122018^2 .

It is a cyclic number.

It is not a de Polignac number, because 41540104606549 - 2³ = 41540104606541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41540104606541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20770052303274 + 20770052303275.

It is an arithmetic number, because the mean of its divisors is an integer number (20770052303275).

Almost surely, 2^{41540104606549} is an apocalyptic number.

It is an amenable number.

41540104606549 is a deficient number, since it is larger than the sum of its proper divisors (1).

41540104606549 is an equidigital number, since it uses as much as digits as its factorization.

41540104606549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 41540104606549 in words is "forty-one trillion, five hundred forty billion, one hundred four million, six hundred six thousand, five hundred forty-nine".