538565565827 has 2 divisors, whose sum is σ = 538565565828. Its totient is φ = 538565565826.

The previous prime is 538565565823. The next prime is 538565565931. The reversal of 538565565827 is 728565565835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538565565827 - 2² = 538565565823 is a prime.

It is not a weakly prime, because it can be changed into another prime (538565565823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269282782913 + 269282782914.

It is an arithmetic number, because the mean of its divisors is an integer number (269282782914).

Almost surely, 2^538565565827 is an apocalyptic number.

538565565827 is a deficient number, since it is larger than the sum of its proper divisors (1).

538565565827 is an equidigital number, since it uses as much as digits as its factorization.

538565565827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400000, while the sum is 65.

The spelling of 538565565827 in words is "five hundred thirty-eight billion, five hundred sixty-five million, five hundred sixty-five thousand, eight hundred twenty-seven".