549230288885 has 4 divisors (see below), whose sum is σ = 659076346668. Its totient is φ = 439384231104.

The previous prime is 549230288881. The next prime is 549230288897. The reversal of 549230288885 is 588882032945.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78368083249 + 470862205636 = 279943^2 + 686194^2 .

It is a cyclic number.

It is not a de Polignac number, because 549230288885 - 2² = 549230288881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549230288881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54923028884 + ... + 54923028893.

It is an arithmetic number, because the mean of its divisors is an integer number (164769086667).

Almost surely, 2^549230288885 is an apocalyptic number.

It is an amenable number.

549230288885 is a deficient number, since it is larger than the sum of its proper divisors (109846057783).

549230288885 is a wasteful number, since it uses less digits than its factorization.

549230288885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109846057782.

The product of its (nonzero) digits is 44236800, while the sum is 62.

The spelling of 549230288885 in words is "five hundred forty-nine billion, two hundred thirty million, two hundred eighty-eight thousand, eight hundred eighty-five".