41438288197 has 2 divisors, whose sum is σ = 41438288198. Its totient is φ = 41438288196.

The previous prime is 41438288191. The next prime is 41438288263. The reversal of 41438288197 is 79188283414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31902960996 + 9535327201 = 178614^2 + 97649^2 .

It is a cyclic number.

It is not a de Polignac number, because 41438288197 - 2¹⁹ = 41437763909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41438288191) 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, 20719144098 + 20719144099.

It is an arithmetic number, because the mean of its divisors is an integer number (20719144099).

Almost surely, 2^41438288197 is an apocalyptic number.

It is an amenable number.

41438288197 is a deficient number, since it is larger than the sum of its proper divisors (1).

41438288197 is an equidigital number, since it uses as much as digits as its factorization.

41438288197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3096576, while the sum is 55.

The spelling of 41438288197 in words is "forty-one billion, four hundred thirty-eight million, two hundred eighty-eight thousand, one hundred ninety-seven".