195554487041 has 2 divisors, whose sum is σ = 195554487042. Its totient is φ = 195554487040.

The previous prime is 195554486993. The next prime is 195554487061. The reversal of 195554487041 is 140784455591.

It is a happy number.

195554487041 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., 193163766016 + 2390721025 = 439504^2 + 48895^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195554487041 is a prime.

It is not a weakly prime, because it can be changed into another prime (195554487061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97777243520 + 97777243521.

It is an arithmetic number, because the mean of its divisors is an integer number (97777243521).

Almost surely, 2^195554487041 is an apocalyptic number.

It is an amenable number.

195554487041 is a deficient number, since it is larger than the sum of its proper divisors (1).

195554487041 is an equidigital number, since it uses as much as digits as its factorization.

195554487041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 195554487041 in words is "one hundred ninety-five billion, five hundred fifty-four million, four hundred eighty-seven thousand, forty-one".