557869729479 has 4 divisors (see below), whose sum is σ = 743826305976. Its totient is φ = 371913152984.

The previous prime is 557869729453. The next prime is 557869729519. The reversal of 557869729479 is 974927968755.

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

It is a cyclic number.

It is not a de Polignac number, because 557869729479 - 2⁹ = 557869728967 is a prime.

It is a super-2 number, since 2×557869729479² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557869729679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92978288244 + ... + 92978288249.

It is an arithmetic number, because the mean of its divisors is an integer number (185956576494).

Almost surely, 2^557869729479 is an apocalyptic number.

557869729479 is a deficient number, since it is larger than the sum of its proper divisors (185956576497).

557869729479 is a wasteful number, since it uses less digits than its factorization.

557869729479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185956576496.

The product of its digits is 2400451200, while the sum is 78.

The spelling of 557869729479 in words is "five hundred fifty-seven billion, eight hundred sixty-nine million, seven hundred twenty-nine thousand, four hundred seventy-nine".