538858858829 has 2 divisors, whose sum is σ = 538858858830. Its totient is φ = 538858858828.

The previous prime is 538858858777. The next prime is 538858858843. The reversal of 538858858829 is 928858858835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412386161929 + 126472696900 = 642173^2 + 355630^2 .

It is a cyclic number.

It is not a de Polignac number, because 538858858829 - 2³⁶ = 470139382093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538858858829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538858858129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269429429414 + 269429429415.

It is an arithmetic number, because the mean of its divisors is an integer number (269429429415).

Almost surely, 2^538858858829 is an apocalyptic number.

It is an amenable number.

538858858829 is a deficient number, since it is larger than the sum of its proper divisors (1).

538858858829 is an equidigital number, since it uses as much as digits as its factorization.

538858858829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1769472000, while the sum is 77.

The spelling of 538858858829 in words is "five hundred thirty-eight billion, eight hundred fifty-eight million, eight hundred fifty-eight thousand, eight hundred twenty-nine".