9449454549449 has 2 divisors, whose sum is σ = 9449454549450. Its totient is φ = 9449454549448.

The previous prime is 9449454549391. The next prime is 9449454549497.

9449454549449 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9277092572224 + 172361977225 = 3045832^2 + 415165^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 9449454549449 - 2⁴⁰ = 8349942921673 is a prime.

It is not a weakly prime, because it can be changed into another prime (9449454549649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4724727274724 + 4724727274725.

It is an arithmetic number, because the mean of its divisors is an integer number (4724727274725).

Almost surely, 2^{9449454549449} is an apocalyptic number.

It is an amenable number.

9449454549449 is a deficient number, since it is larger than the sum of its proper divisors (1).

9449454549449 is an equidigital number, since it uses as much as digits as its factorization.

9449454549449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2687385600, while the sum is 74.

The spelling of 9449454549449 in words is "nine trillion, four hundred forty-nine billion, four hundred fifty-four million, five hundred forty-nine thousand, four hundred forty-nine".