557921581869 has 8 divisors (see below), whose sum is σ = 744434112352. Its totient is φ = 371678386320.

The previous prime is 557921581849. The next prime is 557921581913. The reversal of 557921581869 is 968185129755.

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

It is not a de Polignac number, because 557921581869 - 2¹¹ = 557921579821 is a prime.

It is a super-2 number, since 2×557921581869² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557921581849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67328899 + ... + 67337184.

It is an arithmetic number, because the mean of its divisors is an integer number (93054264044).

Almost surely, 2^557921581869 is an apocalyptic number.

It is an amenable number.

557921581869 is a deficient number, since it is larger than the sum of its proper divisors (186512530483).

557921581869 is a wasteful number, since it uses less digits than its factorization.

557921581869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134667467.

The product of its digits is 54432000, while the sum is 66.

The spelling of 557921581869 in words is "five hundred fifty-seven billion, nine hundred twenty-one million, five hundred eighty-one thousand, eight hundred sixty-nine".