549133331945 has 8 divisors (see below), whose sum is σ = 718865452800. Its totient is φ = 399369695920.

The previous prime is 549133331869. The next prime is 549133331959.

549133331945 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 549133331945 - 2¹² = 549133327849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 549133331893 and 549133331902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4992121145 + ... + 4992121254.

It is an arithmetic number, because the mean of its divisors is an integer number (89858181600).

Almost surely, 2^549133331945 is an apocalyptic number.

549133331945 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

549133331945 is a deficient number, since it is larger than the sum of its proper divisors (169732120855).

549133331945 is a wasteful number, since it uses less digits than its factorization.

549133331945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984242415.

The product of its digits is 2624400, while the sum is 50.

The spelling of 549133331945 in words is "five hundred forty-nine billion, one hundred thirty-three million, three hundred thirty-one thousand, nine hundred forty-five".