9738166610449 has 2 divisors, whose sum is σ = 9738166610450. Its totient is φ = 9738166610448.

The previous prime is 9738166610437. The next prime is 9738166610477. The reversal of 9738166610449 is 9440166618379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6842111442049 + 2896055168400 = 2615743^2 + 1701780^2 .

It is a cyclic number.

It is not a de Polignac number, because 9738166610449 - 2⁷ = 9738166610321 is a prime.

It is not a weakly prime, because it can be changed into another prime (9738166610429) 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, 4869083305224 + 4869083305225.

It is an arithmetic number, because the mean of its divisors is an integer number (4869083305225).

Almost surely, 2^{9738166610449} is an apocalyptic number.

It is an amenable number.

9738166610449 is a deficient number, since it is larger than the sum of its proper divisors (1).

9738166610449 is an equidigital number, since it uses as much as digits as its factorization.

9738166610449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 9738166610449 in words is "nine trillion, seven hundred thirty-eight billion, one hundred sixty-six million, six hundred ten thousand, four hundred forty-nine".