194105048497 has 2 divisors, whose sum is σ = 194105048498. Its totient is φ = 194105048496.

The previous prime is 194105048453. The next prime is 194105048513. The reversal of 194105048497 is 794840501491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134237235456 + 59867813041 = 366384^2 + 244679^2 .

It is a cyclic number.

It is not a de Polignac number, because 194105048497 - 2⁷ = 194105048369 is a prime.

It is not a weakly prime, because it can be changed into another prime (194105046497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97052524248 + 97052524249.

It is an arithmetic number, because the mean of its divisors is an integer number (97052524249).

Almost surely, 2^194105048497 is an apocalyptic number.

It is an amenable number.

194105048497 is a deficient number, since it is larger than the sum of its proper divisors (1).

194105048497 is an equidigital number, since it uses as much as digits as its factorization.

194105048497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 194105048497 in words is "one hundred ninety-four billion, one hundred five million, forty-eight thousand, four hundred ninety-seven".