194365422241 has 2 divisors, whose sum is σ = 194365422242. Its totient is φ = 194365422240.

The previous prime is 194365422179. The next prime is 194365422281. The reversal of 194365422241 is 142224563491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121170825216 + 73194597025 = 348096^2 + 270545^2 .

It is an emirp because it is prime and its reverse (142224563491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194365422241 - 2¹⁵ = 194365389473 is a prime.

It is not a weakly prime, because it can be changed into another prime (194365422281) 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, 97182711120 + 97182711121.

It is an arithmetic number, because the mean of its divisors is an integer number (97182711121).

Almost surely, 2^194365422241 is an apocalyptic number.

It is an amenable number.

194365422241 is a deficient number, since it is larger than the sum of its proper divisors (1).

194365422241 is an equidigital number, since it uses as much as digits as its factorization.

194365422241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

It can be divided in two parts, 19436542224 and 1, that added together give a square (19436542225 = 139415²).

The spelling of 194365422241 in words is "one hundred ninety-four billion, three hundred sixty-five million, four hundred twenty-two thousand, two hundred forty-one".