538158105833 has 2 divisors, whose sum is σ = 538158105834. Its totient is φ = 538158105832.

The previous prime is 538158105809. The next prime is 538158105871. The reversal of 538158105833 is 338501851835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 533729602624 + 4428503209 = 730568^2 + 66547^2 .

It is a cyclic number.

It is not a de Polignac number, because 538158105833 - 2¹⁶ = 538158040297 is a prime.

It is a super-2 number, since 2×538158105833² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (538158105893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269079052916 + 269079052917.

It is an arithmetic number, because the mean of its divisors is an integer number (269079052917).

Almost surely, 2^538158105833 is an apocalyptic number.

It is an amenable number.

538158105833 is a deficient number, since it is larger than the sum of its proper divisors (1).

538158105833 is an equidigital number, since it uses as much as digits as its factorization.

538158105833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 50.

The spelling of 538158105833 in words is "five hundred thirty-eight billion, one hundred fifty-eight million, one hundred five thousand, eight hundred thirty-three".