557706643763 has 4 divisors (see below), whose sum is σ = 557943263280. Its totient is φ = 557470024248.

The previous prime is 557706643759. The next prime is 557706643777. The reversal of 557706643763 is 367346607755.

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 557706643763 - 2² = 557706643759 is a prime.

It is a super-2 number, since 2×557706643763² (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 (557706643163) 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, 118306223 + ... + 118310936.

It is an arithmetic number, because the mean of its divisors is an integer number (139485815820).

Almost surely, 2^557706643763 is an apocalyptic number.

557706643763 is a deficient number, since it is larger than the sum of its proper divisors (236619517).

557706643763 is a wasteful number, since it uses less digits than its factorization.

557706643763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236619516.

The product of its (nonzero) digits is 66679200, while the sum is 59.

The spelling of 557706643763 in words is "five hundred fifty-seven billion, seven hundred six million, six hundred forty-three thousand, seven hundred sixty-three".