538268445133 has 2 divisors, whose sum is σ = 538268445134. Its totient is φ = 538268445132.

The previous prime is 538268445119. The next prime is 538268445137. The reversal of 538268445133 is 331544862835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 457954018729 + 80314426404 = 676723^2 + 283398^2 .

It is a cyclic number.

It is not a de Polignac number, because 538268445133 - 2¹⁷ = 538268314061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538268445137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269134222566 + 269134222567.

It is an arithmetic number, because the mean of its divisors is an integer number (269134222567).

Almost surely, 2^538268445133 is an apocalyptic number.

It is an amenable number.

538268445133 is a deficient number, since it is larger than the sum of its proper divisors (1).

538268445133 is an equidigital number, since it uses as much as digits as its factorization.

538268445133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8294400, while the sum is 52.

The spelling of 538268445133 in words is "five hundred thirty-eight billion, two hundred sixty-eight million, four hundred forty-five thousand, one hundred thirty-three".