539867627126797 has 2 divisors, whose sum is σ = 539867627126798. Its totient is φ = 539867627126796.

The previous prime is 539867627126791. The next prime is 539867627126809. The reversal of 539867627126797 is 797621726768935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452774945263081 + 87092681863716 = 21278509^2 + 9332346^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-539867627126797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (539867627126791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269933813563398 + 269933813563399.

It is an arithmetic number, because the mean of its divisors is an integer number (269933813563399).

Almost surely, 2^{539867627126797} is an apocalyptic number.

It is an amenable number.

539867627126797 is a deficient number, since it is larger than the sum of its proper divisors (1).

539867627126797 is an equidigital number, since it uses as much as digits as its factorization.

539867627126797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20163790080, while the sum is 85.

The spelling of 539867627126797 in words is "five hundred thirty-nine trillion, eight hundred sixty-seven billion, six hundred twenty-seven million, one hundred twenty-six thousand, seven hundred ninety-seven".