197805052829 has 2 divisors, whose sum is σ = 197805052830. Its totient is φ = 197805052828.

The previous prime is 197805052811. The next prime is 197805052843. The reversal of 197805052829 is 928250508791.

197805052829 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., 109537831225 + 88267221604 = 330965^2 + 297098^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197805052829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197805012829) 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, 98902526414 + 98902526415.

It is an arithmetic number, because the mean of its divisors is an integer number (98902526415).

Almost surely, 2^197805052829 is an apocalyptic number.

It is an amenable number.

197805052829 is a deficient number, since it is larger than the sum of its proper divisors (1).

197805052829 is an equidigital number, since it uses as much as digits as its factorization.

197805052829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 56.

The spelling of 197805052829 in words is "one hundred ninety-seven billion, eight hundred five million, fifty-two thousand, eight hundred twenty-nine".