549884089468 has 12 divisors (see below), whose sum is σ = 1099768178992. Its totient is φ = 235664609760.

The previous prime is 549884089459. The next prime is 549884089471. The reversal of 549884089468 is 864980488945.

549884089468 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 549884089468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9819358713 + ... + 9819358768.

Almost surely, 2^549884089468 is an apocalyptic number.

It is an amenable number.

549884089468 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549884089468 is a wasteful number, since it uses less digits than its factorization.

549884089468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19638717492 (or 19638717490 counting only the distinct ones).

The product of its (nonzero) digits is 637009920, while the sum is 73.

The spelling of 549884089468 in words is "five hundred forty-nine billion, eight hundred eighty-four million, eighty-nine thousand, four hundred sixty-eight".