557684495548489 has 8 divisors (see below), whose sum is σ = 573235223682312. Its totient is φ = 542320003680000.

The previous prime is 557684495548469. The next prime is 557684495548501. The reversal of 557684495548489 is 984845594486755.

It can be written as a sum of positive squares in 4 ways, for example, as 46208276642889 + 511476218905600 = 6797667^2 + 22615840^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 557684495548489 - 2³¹ = 557682348064841 is a prime.

It is a super-2 number, since 2×557684495548489² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557684495548459) 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 7 ways as a sum of consecutive naturals, for example, 46559060262 + ... + 46559072239.

It is an arithmetic number, because the mean of its divisors is an integer number (71654402960289).

Almost surely, 2^{557684495548489} is an apocalyptic number.

It is an amenable number.

557684495548489 is a deficient number, since it is larger than the sum of its proper divisors (15550728133823).

557684495548489 is a wasteful number, since it uses less digits than its factorization.

557684495548489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93118132667.

The product of its digits is 278691840000, while the sum is 91.

The spelling of 557684495548489 in words is "five hundred fifty-seven trillion, six hundred eighty-four billion, four hundred ninety-five million, five hundred forty-eight thousand, four hundred eighty-nine".