549145211090 has 16 divisors (see below), whose sum is σ = 1129670148672. Its totient is φ = 188278358064.

The previous prime is 549145211077. The next prime is 549145211099. The reversal of 549145211090 is 90112541945.

It is not an unprimeable number, because it can be changed into a prime (549145211099) 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, 3922465724 + ... + 3922465863.

It is an arithmetic number, because the mean of its divisors is an integer number (70604384292).

Almost surely, 2^549145211090 is an apocalyptic number.

549145211090 is an abundant number, since it is smaller than the sum of its proper divisors (580524937582).

549145211090 is a wasteful number, since it uses less digits than its factorization.

549145211090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7844931601.

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 549145211090 in words is "five hundred forty-nine billion, one hundred forty-five million, two hundred eleven thousand, ninety".