538268445137 has 2 divisors, whose sum is σ = 538268445138. Its totient is φ = 538268445136.

The previous prime is 538268445133. The next prime is 538268445157. The reversal of 538268445137 is 731544862835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356834190736 + 181434254401 = 597356^2 + 425951^2 .

It is a cyclic number.

It is not a de Polignac number, because 538268445137 - 2² = 538268445133 is a prime.

It is not a weakly prime, because it can be changed into another prime (538268445133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269134222568 + 269134222569.

It is an arithmetic number, because the mean of its divisors is an integer number (269134222569).

Almost surely, 2^538268445137 is an apocalyptic number.

It is an amenable number.

538268445137 is a deficient number, since it is larger than the sum of its proper divisors (1).

538268445137 is an equidigital number, since it uses as much as digits as its factorization.

538268445137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19353600, while the sum is 56.

The spelling of 538268445137 in words is "five hundred thirty-eight billion, two hundred sixty-eight million, four hundred forty-five thousand, one hundred thirty-seven".