538611068273 has 2 divisors, whose sum is σ = 538611068274. Its totient is φ = 538611068272.

The previous prime is 538611068227. The next prime is 538611068339. The reversal of 538611068273 is 372860116835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444012993649 + 94598074624 = 666343^2 + 307568^2 .

It is a cyclic number.

It is not a de Polignac number, because 538611068273 - 2⁶ = 538611068209 is a prime.

It is not a weakly prime, because it can be changed into another prime (538611068173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269305534136 + 269305534137.

It is an arithmetic number, because the mean of its divisors is an integer number (269305534137).

Almost surely, 2^538611068273 is an apocalyptic number.

It is an amenable number.

538611068273 is a deficient number, since it is larger than the sum of its proper divisors (1).

538611068273 is an equidigital number, since it uses as much as digits as its factorization.

538611068273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 538611068273 in words is "five hundred thirty-eight billion, six hundred eleven million, sixty-eight thousand, two hundred seventy-three".