549376222673945 has 32 divisors (see below), whose sum is σ = 707901639957792. Its totient is φ = 407803633385472.

The previous prime is 549376222673903. The next prime is 549376222673951.

549376222673945 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 16 ways, for example, as 30228564798601 + 519147657875344 = 5498051^2 + 22784812^2 .

It is a cyclic number.

It is not a de Polignac number, because 549376222673945 - 2⁴⁸ = 267901245963289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5078012 + ... + 33534141.

It is an arithmetic number, because the mean of its divisors is an integer number (22121926248681).

Almost surely, 2^{549376222673945} is an apocalyptic number.

It is an amenable number.

549376222673945 is a deficient number, since it is larger than the sum of its proper divisors (158525417283847).

549376222673945 is a wasteful number, since it uses less digits than its factorization.

549376222673945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38614541.

The product of its digits is 4115059200, while the sum is 74.

The spelling of 549376222673945 in words is "five hundred forty-nine trillion, three hundred seventy-six billion, two hundred twenty-two million, six hundred seventy-three thousand, nine hundred forty-five".