549767858342041 has 2 divisors, whose sum is σ = 549767858342042. Its totient is φ = 549767858342040.

The previous prime is 549767858342039. The next prime is 549767858342071. The reversal of 549767858342041 is 140243858767945.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326373852272400 + 223394006069641 = 18065820^2 + 14946371^2 .

It is a cyclic number.

It is not a de Polignac number, because 549767858342041 - 2¹ = 549767858342039 is a prime.

Together with 549767858342039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (549767858342071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274883929171020 + 274883929171021.

It is an arithmetic number, because the mean of its divisors is an integer number (274883929171021).

It is a 2-persistent number, because it is pandigital, and so is 2⋅549767858342041 = 1099535716684082, but 3⋅549767858342041 = 1649303575026123 is not.

Almost surely, 2^{549767858342041} is an apocalyptic number.

It is an amenable number.

549767858342041 is a deficient number, since it is larger than the sum of its proper divisors (1).

549767858342041 is an equidigital number, since it uses as much as digits as its factorization.

549767858342041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1625702400, while the sum is 73.

The spelling of 549767858342041 in words is "five hundred forty-nine trillion, seven hundred sixty-seven billion, eight hundred fifty-eight million, three hundred forty-two thousand, forty-one".