557844226689 has 4 divisors (see below), whose sum is σ = 743792302256. Its totient is φ = 371896151124.

The previous prime is 557844226661. The next prime is 557844226691. The reversal of 557844226689 is 986622448755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 557844226689 - 2²⁵ = 557810672257 is a prime.

It is a super-2 number, since 2×557844226689² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557844226609) 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, 92974037779 + ... + 92974037784.

It is an arithmetic number, because the mean of its divisors is an integer number (185948075564).

Almost surely, 2^557844226689 is an apocalyptic number.

It is an amenable number.

557844226689 is a deficient number, since it is larger than the sum of its proper divisors (185948075567).

557844226689 is a wasteful number, since it uses less digits than its factorization.

557844226689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185948075566.

The product of its digits is 232243200, while the sum is 66.

The spelling of 557844226689 in words is "five hundred fifty-seven billion, eight hundred forty-four million, two hundred twenty-six thousand, six hundred eighty-nine".