549343809368 has 32 divisors (see below), whose sum is σ = 1084386702000. Its totient is φ = 260178168960.

The previous prime is 549343809337. The next prime is 549343809383. The reversal of 549343809368 is 863908343945.

It is a self number, because there is not a number n which added to its sum of digits gives 549343809368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818858 + ... + 1330118.

Almost surely, 2^549343809368 is an apocalyptic number.

It is an amenable number.

549343809368 is a deficient number, since it is larger than the sum of its proper divisors (535042892632).

549343809368 is a wasteful number, since it uses less digits than its factorization.

549343809368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518355 (or 518351 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 62.

The spelling of 549343809368 in words is "five hundred forty-nine billion, three hundred forty-three million, eight hundred nine thousand, three hundred sixty-eight".