506239601957 has 4 divisors (see below), whose sum is σ = 518012616000. Its totient is φ = 494466587916.

The previous prime is 506239601941. The next prime is 506239601999. The reversal of 506239601957 is 759106932605.

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 a cyclic number.

It is not a de Polignac number, because 506239601957 - 2⁴ = 506239601941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506239601899 and 506239601908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506239600957) 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, 5886506957 + ... + 5886507042.

It is an arithmetic number, because the mean of its divisors is an integer number (129503154000).

Almost surely, 2^506239601957 is an apocalyptic number.

It is an amenable number.

506239601957 is a deficient number, since it is larger than the sum of its proper divisors (11773014043).

506239601957 is a wasteful number, since it uses less digits than its factorization.

506239601957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11773014042.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 506239601957 in words is "five hundred six billion, two hundred thirty-nine million, six hundred one thousand, nine hundred fifty-seven".