549343355617 has 8 divisors (see below), whose sum is σ = 648073267712. Its totient is φ = 455676516000.

The previous prime is 549343355573. The next prime is 549343355653. The reversal of 549343355617 is 716553343945.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 549343355617 - 2¹⁹ = 549342831329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549343355117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265767884 + ... + 1265768317.

It is an arithmetic number, because the mean of its divisors is an integer number (81009158464).

Almost surely, 2^549343355617 is an apocalyptic number.

It is an amenable number.

549343355617 is a deficient number, since it is larger than the sum of its proper divisors (98729912095).

549343355617 is a wasteful number, since it uses less digits than its factorization.

549343355617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531536239.

The product of its digits is 20412000, while the sum is 55.

The spelling of 549343355617 in words is "five hundred forty-nine billion, three hundred forty-three million, three hundred fifty-five thousand, six hundred seventeen".