538858560197 has 2 divisors, whose sum is σ = 538858560198. Its totient is φ = 538858560196.

The previous prime is 538858560187. The next prime is 538858560199. The reversal of 538858560197 is 791065858835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458709552961 + 80149007236 = 677281^2 + 283106^2 .

It is a cyclic number.

It is not a de Polignac number, because 538858560197 - 2²⁸ = 538590124741 is a prime.

Together with 538858560199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538858560199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269429280098 + 269429280099.

It is an arithmetic number, because the mean of its divisors is an integer number (269429280099).

Almost surely, 2^538858560197 is an apocalyptic number.

It is an amenable number.

538858560197 is a deficient number, since it is larger than the sum of its proper divisors (1).

538858560197 is an equidigital number, since it uses as much as digits as its factorization.

538858560197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576000, while the sum is 65.

The spelling of 538858560197 in words is "five hundred thirty-eight billion, eight hundred fifty-eight million, five hundred sixty thousand, one hundred ninety-seven".