539144300609 has 2 divisors, whose sum is σ = 539144300610. Its totient is φ = 539144300608.

The previous prime is 539144300537. The next prime is 539144300647. The reversal of 539144300609 is 906003441935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 519773228209 + 19371072400 = 720953^2 + 139180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539144300609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 539144300609.

It is not a weakly prime, because it can be changed into another prime (539144309609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269572150304 + 269572150305.

It is an arithmetic number, because the mean of its divisors is an integer number (269572150305).

Almost surely, 2^539144300609 is an apocalyptic number.

It is an amenable number.

539144300609 is a deficient number, since it is larger than the sum of its proper divisors (1).

539144300609 is an equidigital number, since it uses as much as digits as its factorization.

539144300609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 539144300609 in words is "five hundred thirty-nine billion, one hundred forty-four million, three hundred thousand, six hundred nine".