538844988559 has 4 divisors (see below), whose sum is σ = 538846700616. Its totient is φ = 538843276504.

The previous prime is 538844988547. The next prime is 538844988571. The reversal of 538844988559 is 955889448835.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (538844988547) and next prime (538844988571).

It is a cyclic number.

It is not a de Polignac number, because 538844988559 - 2³¹ = 536697504911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538844988599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232564 + ... + 1063849.

It is an arithmetic number, because the mean of its divisors is an integer number (134711675154).

Almost surely, 2^538844988559 is an apocalyptic number.

538844988559 is a deficient number, since it is larger than the sum of its proper divisors (1712057).

538844988559 is a wasteful number, since it uses less digits than its factorization.

538844988559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712056.

The product of its digits is 1990656000, while the sum is 76.

The spelling of 538844988559 in words is "five hundred thirty-eight billion, eight hundred forty-four million, nine hundred eighty-eight thousand, five hundred fifty-nine".