549324101423945 has 4 divisors (see below), whose sum is σ = 659188921708740. Its totient is φ = 439459281139152.

The previous prime is 549324101423891. The next prime is 549324101423957.

549324101423945 is nontrivially palindromic in base 10.

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 275343844006144 + 273980257417801 = 16593488^2 + 16552349^2 .

It is a cyclic number.

It is not a de Polignac number, because 549324101423945 - 2⁸ = 549324101423689 is a prime.

It is a super-3 number, since 3×549324101423945³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54932410142390 + ... + 54932410142399.

It is an arithmetic number, because the mean of its divisors is an integer number (164797230427185).

Almost surely, 2^{549324101423945} is an apocalyptic number.

It is an amenable number.

549324101423945 is a deficient number, since it is larger than the sum of its proper divisors (109864820284795).

549324101423945 is a wasteful number, since it uses less digits than its factorization.

549324101423945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109864820284794.

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 549324101423945 in words is "five hundred forty-nine trillion, three hundred twenty-four billion, one hundred one million, four hundred twenty-three thousand, nine hundred forty-five".