539264933561 has 2 divisors, whose sum is σ = 539264933562. Its totient is φ = 539264933560.

The previous prime is 539264933513. The next prime is 539264933579. The reversal of 539264933561 is 165339462935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 524855331961 + 14409601600 = 724469^2 + 120040^2 .

It is a cyclic number.

It is not a de Polignac number, because 539264933561 - 2¹⁰ = 539264932537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 539264933497 and 539264933506.

It is not a weakly prime, because it can be changed into another prime (539264933261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269632466780 + 269632466781.

It is an arithmetic number, because the mean of its divisors is an integer number (269632466781).

Almost surely, 2^539264933561 is an apocalyptic number.

It is an amenable number.

539264933561 is a deficient number, since it is larger than the sum of its proper divisors (1).

539264933561 is an equidigital number, since it uses as much as digits as its factorization.

539264933561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15746400, while the sum is 56.

The spelling of 539264933561 in words is "five hundred thirty-nine billion, two hundred sixty-four million, nine hundred thirty-three thousand, five hundred sixty-one".