538633387011563 has 2 divisors, whose sum is σ = 538633387011564. Its totient is φ = 538633387011562.

The previous prime is 538633387011481. The next prime is 538633387011631. The reversal of 538633387011563 is 365110783336835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538633387011563 - 2¹⁰ = 538633387010539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538633387011496 and 538633387011505.

It is not a weakly prime, because it can be changed into another prime (538633387011463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269316693505781 + 269316693505782.

It is an arithmetic number, because the mean of its divisors is an integer number (269316693505782).

Almost surely, 2^{538633387011563} is an apocalyptic number.

538633387011563 is a deficient number, since it is larger than the sum of its proper divisors (1).

538633387011563 is an equidigital number, since it uses as much as digits as its factorization.

538633387011563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97977600, while the sum is 62.

The spelling of 538633387011563 in words is "five hundred thirty-eight trillion, six hundred thirty-three billion, three hundred eighty-seven million, eleven thousand, five hundred sixty-three".