8538927350869 has 2 divisors, whose sum is σ = 8538927350870. Its totient is φ = 8538927350868.

The previous prime is 8538927350801. The next prime is 8538927350879. The reversal of 8538927350869 is 9680537298358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7266852404100 + 1272074946769 = 2695710^2 + 1127863^2 .

It is a cyclic number.

It is not a de Polignac number, because 8538927350869 - 2⁷ = 8538927350741 is a prime.

It is a super-2 number, since 2×8538927350869² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8538927350879) 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, 4269463675434 + 4269463675435.

It is an arithmetic number, because the mean of its divisors is an integer number (4269463675435).

Almost surely, 2^{8538927350869} is an apocalyptic number.

It is an amenable number.

8538927350869 is a deficient number, since it is larger than the sum of its proper divisors (1).

8538927350869 is an equidigital number, since it uses as much as digits as its factorization.

8538927350869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 783820800, while the sum is 73.

The spelling of 8538927350869 in words is "eight trillion, five hundred thirty-eight billion, nine hundred twenty-seven million, three hundred fifty thousand, eight hundred sixty-nine".