506584394957 has 2 divisors, whose sum is σ = 506584394958. Its totient is φ = 506584394956.

The previous prime is 506584394951. The next prime is 506584394989. The reversal of 506584394957 is 759493485605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389651856841 + 116932538116 = 624221^2 + 341954^2 .

It is a cyclic number.

It is not a de Polignac number, because 506584394957 - 2⁴ = 506584394941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 506584394893 and 506584394902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506584394951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253292197478 + 253292197479.

It is an arithmetic number, because the mean of its divisors is an integer number (253292197479).

Almost surely, 2^506584394957 is an apocalyptic number.

It is an amenable number.

506584394957 is a deficient number, since it is larger than the sum of its proper divisors (1).

506584394957 is an equidigital number, since it uses as much as digits as its factorization.

506584394957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296000, while the sum is 65.

The spelling of 506584394957 in words is "five hundred six billion, five hundred eighty-four million, three hundred ninety-four thousand, nine hundred fifty-seven".