549873262313 has 2 divisors, whose sum is σ = 549873262314. Its totient is φ = 549873262312.

The previous prime is 549873262291. The next prime is 549873262321. The reversal of 549873262313 is 313262378945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 548677969984 + 1195292329 = 740728^2 + 34573^2 .

It is a cyclic number.

It is not a de Polignac number, because 549873262313 - 2⁶ = 549873262249 is a prime.

It is a super-2 number, since 2×549873262313² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (549873292313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274936631156 + 274936631157.

It is an arithmetic number, because the mean of its divisors is an integer number (274936631157).

Almost surely, 2^549873262313 is an apocalyptic number.

It is an amenable number.

549873262313 is a deficient number, since it is larger than the sum of its proper divisors (1).

549873262313 is an equidigital number, since it uses as much as digits as its factorization.

549873262313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 53.

The spelling of 549873262313 in words is "five hundred forty-nine billion, eight hundred seventy-three million, two hundred sixty-two thousand, three hundred thirteen".