538170822871951 has 2 divisors, whose sum is σ = 538170822871952. Its totient is φ = 538170822871950.

The previous prime is 538170822871901. The next prime is 538170822872047. The reversal of 538170822871951 is 159178228071835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538170822871951 - 2¹⁵ = 538170822839183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538170822871901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269085411435975 + 269085411435976.

It is an arithmetic number, because the mean of its divisors is an integer number (269085411435976).

Almost surely, 2^{538170822871951} is an apocalyptic number.

538170822871951 is a deficient number, since it is larger than the sum of its proper divisors (1).

538170822871951 is an equidigital number, since it uses as much as digits as its factorization.

538170822871951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67737600, while the sum is 67.

The spelling of 538170822871951 in words is "five hundred thirty-eight trillion, one hundred seventy billion, eight hundred twenty-two million, eight hundred seventy-one thousand, nine hundred fifty-one".