549144610805 has 16 divisors (see below), whose sum is σ = 797413351680. Its totient is φ = 354405933312.

The previous prime is 549144610787. The next prime is 549144610813. The reversal of 549144610805 is 508016441945.

It is a cyclic number.

It is not a de Polignac number, because 549144610805 - 2⁶ = 549144610741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 549144610805.

It is a congruent number.

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, 461465465 + ... + 461466654.

It is an arithmetic number, because the mean of its divisors is an integer number (49838334480).

Almost surely, 2^549144610805 is an apocalyptic number.

It is an amenable number.

549144610805 is a deficient number, since it is larger than the sum of its proper divisors (248268740875).

549144610805 is a wasteful number, since it uses less digits than its factorization.

549144610805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922932148.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 549144610805 in words is "five hundred forty-nine billion, one hundred forty-four million, six hundred ten thousand, eight hundred five".