506565286741 has 2 divisors, whose sum is σ = 506565286742. Its totient is φ = 506565286740.

The previous prime is 506565286699. The next prime is 506565286763. The reversal of 506565286741 is 147682565605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504271834641 + 2293452100 = 710121^2 + 47890^2 .

It is a cyclic number.

It is not a de Polignac number, because 506565286741 - 2²¹ = 506563189589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506565286541) 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 as a sum of consecutive naturals, namely, 253282643370 + 253282643371.

It is an arithmetic number, because the mean of its divisors is an integer number (253282643371).

Almost surely, 2^506565286741 is an apocalyptic number.

It is an amenable number.

506565286741 is a deficient number, since it is larger than the sum of its proper divisors (1).

506565286741 is an equidigital number, since it uses as much as digits as its factorization.

506565286741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 506565286741 in words is "five hundred six billion, five hundred sixty-five million, two hundred eighty-six thousand, seven hundred forty-one".