194419216241 has 2 divisors, whose sum is σ = 194419216242. Its totient is φ = 194419216240.

The previous prime is 194419216231. The next prime is 194419216261. The reversal of 194419216241 is 142612914491.

194419216241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116352621025 + 78066595216 = 341105^2 + 279404^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194419216241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194419216192 and 194419216201.

It is not a weakly prime, because it can be changed into another prime (194419216231) 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, 97209608120 + 97209608121.

It is an arithmetic number, because the mean of its divisors is an integer number (97209608121).

Almost surely, 2^194419216241 is an apocalyptic number.

It is an amenable number.

194419216241 is a deficient number, since it is larger than the sum of its proper divisors (1).

194419216241 is an equidigital number, since it uses as much as digits as its factorization.

194419216241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The spelling of 194419216241 in words is "one hundred ninety-four billion, four hundred nineteen million, two hundred sixteen thousand, two hundred forty-one".