9849454549489 has 2 divisors, whose sum is σ = 9849454549490. Its totient is φ = 9849454549488.

The previous prime is 9849454549457. The next prime is 9849454549499.

9849454549489 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., 6669652309489 + 3179802240000 = 2582567^2 + 1783200^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 9849454549489 - 2⁵ = 9849454549457 is a prime.

It is a super-2 number, since 2×9849454549489² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9849454549499) 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, 4924727274744 + 4924727274745.

It is an arithmetic number, because the mean of its divisors is an integer number (4924727274745).

Almost surely, 2^{9849454549489} is an apocalyptic number.

It is an amenable number.

9849454549489 is a deficient number, since it is larger than the sum of its proper divisors (1).

9849454549489 is an equidigital number, since it uses as much as digits as its factorization.

9849454549489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10749542400, while the sum is 82.

The spelling of 9849454549489 in words is "nine trillion, eight hundred forty-nine billion, four hundred fifty-four million, five hundred forty-nine thousand, four hundred eighty-nine".