195600696449 has 2 divisors, whose sum is σ = 195600696450. Its totient is φ = 195600696448.

The previous prime is 195600696437. The next prime is 195600696463. The reversal of 195600696449 is 944696006591.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194816304400 + 784392049 = 441380^2 + 28007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195600696449 is a prime.

It is not a weakly prime, because it can be changed into another prime (195600692449) 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, 97800348224 + 97800348225.

It is an arithmetic number, because the mean of its divisors is an integer number (97800348225).

Almost surely, 2^195600696449 is an apocalyptic number.

It is an amenable number.

195600696449 is a deficient number, since it is larger than the sum of its proper divisors (1).

195600696449 is an equidigital number, since it uses as much as digits as its factorization.

195600696449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12597120, while the sum is 59.

The spelling of 195600696449 in words is "one hundred ninety-five billion, six hundred million, six hundred ninety-six thousand, four hundred forty-nine".