4559898666049 has 4 divisors (see below), whose sum is σ = 4828127999364. Its totient is φ = 4291669332736.

The previous prime is 4559898666023. The next prime is 4559898666079. The reversal of 4559898666049 is 9406668989554.

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 4084360160400 + 475538505649 = 2020980^2 + 689593^2 .

It is a cyclic number.

It is not a de Polignac number, because 4559898666049 - 2⁵ = 4559898666017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4559898666049.

It is not an unprimeable number, because it can be changed into a prime (4559898666079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134114666632 + ... + 134114666665.

It is an arithmetic number, because the mean of its divisors is an integer number (1207031999841).

Almost surely, 2^{4559898666049} is an apocalyptic number.

It is an amenable number.

4559898666049 is a deficient number, since it is larger than the sum of its proper divisors (268229333315).

4559898666049 is a wasteful number, since it uses less digits than its factorization.

4559898666049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268229333314.

The product of its (nonzero) digits is 4031078400, while the sum is 79.

The spelling of 4559898666049 in words is "four trillion, five hundred fifty-nine billion, eight hundred ninety-eight million, six hundred sixty-six thousand, forty-nine".