549351671033189 has 2 divisors, whose sum is σ = 549351671033190. Its totient is φ = 549351671033188.

The previous prime is 549351671033149. The next prime is 549351671033213. The reversal of 549351671033189 is 981330176153945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 505392888093025 + 43958782940164 = 22480945^2 + 6630142^2 .

It is a cyclic number.

It is not a de Polignac number, because 549351671033189 - 2⁸ = 549351671032933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549351671033149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274675835516594 + 274675835516595.

It is an arithmetic number, because the mean of its divisors is an integer number (274675835516595).

Almost surely, 2^{549351671033189} is an apocalyptic number.

It is an amenable number.

549351671033189 is a deficient number, since it is larger than the sum of its proper divisors (1).

549351671033189 is an equidigital number, since it uses as much as digits as its factorization.

549351671033189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73483200, while the sum is 65.

The spelling of 549351671033189 in words is "five hundred forty-nine trillion, three hundred fifty-one billion, six hundred seventy-one million, thirty-three thousand, one hundred eighty-nine".