549368545863945 has 16 divisors (see below), whose sum is σ = 879316071394752. Its totient is φ = 292887758456640.

The previous prime is 549368545863919. The next prime is 549368545863953.

549368545863945 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 549368545863945 - 2⁸ = 549368545863689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6799916851 + ... + 6799997640.

It is an arithmetic number, because the mean of its divisors is an integer number (54957254462172).

Almost surely, 2^{549368545863945} is an apocalyptic number.

It is an amenable number.

549368545863945 is a deficient number, since it is larger than the sum of its proper divisors (329947525530807).

549368545863945 is a wasteful number, since it uses less digits than its factorization.

549368545863945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13599917192.

The product of its digits is 67184640000, while the sum is 84.

The spelling of 549368545863945 in words is "five hundred forty-nine trillion, three hundred sixty-eight billion, five hundred forty-five million, eight hundred sixty-three thousand, nine hundred forty-five".