506057428243 has 4 divisors (see below), whose sum is σ = 517826205688. Its totient is φ = 494288650800.

The previous prime is 506057428241. The next prime is 506057428259. The reversal of 506057428243 is 342824750605.

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 506057428243 - 2¹ = 506057428241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506057428193 and 506057428202.

It is not an unprimeable number, because it can be changed into a prime (506057428241) 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 3 ways as a sum of consecutive naturals, for example, 5884388658 + ... + 5884388743.

It is an arithmetic number, because the mean of its divisors is an integer number (129456551422).

Almost surely, 2^506057428243 is an apocalyptic number.

506057428243 is a deficient number, since it is larger than the sum of its proper divisors (11768777445).

506057428243 is a wasteful number, since it uses less digits than its factorization.

506057428243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11768777444.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 506057428243 in words is "five hundred six billion, fifty-seven million, four hundred twenty-eight thousand, two hundred forty-three".