41218836697 has 2 divisors, whose sum is σ = 41218836698. Its totient is φ = 41218836696.

The previous prime is 41218836691. The next prime is 41218836761. The reversal of 41218836697 is 79663881214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39912447961 + 1306388736 = 199781^2 + 36144^2 .

It is a cyclic number.

It is not a de Polignac number, because 41218836697 - 2³ = 41218836689 is a prime.

It is not a weakly prime, because it can be changed into another prime (41218836691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20609418348 + 20609418349.

It is an arithmetic number, because the mean of its divisors is an integer number (20609418349).

Almost surely, 2^41218836697 is an apocalyptic number.

It is an amenable number.

41218836697 is a deficient number, since it is larger than the sum of its proper divisors (1).

41218836697 is an equidigital number, since it uses as much as digits as its factorization.

41218836697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 55.

The spelling of 41218836697 in words is "forty-one billion, two hundred eighteen million, eight hundred thirty-six thousand, six hundred ninety-seven".