8252126508869 has 2 divisors, whose sum is σ = 8252126508870. Its totient is φ = 8252126508868.

The previous prime is 8252126508859. The next prime is 8252126508883. The reversal of 8252126508869 is 9688056212528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8076611595844 + 175514913025 = 2841938^2 + 418945^2 .

It is a cyclic number.

It is not a de Polignac number, because 8252126508869 - 2⁴ = 8252126508853 is a prime.

It is a super-2 number, since 2×8252126508869² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8252126508839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4126063254434 + 4126063254435.

It is an arithmetic number, because the mean of its divisors is an integer number (4126063254435).

Almost surely, 2^{8252126508869} is an apocalyptic number.

It is an amenable number.

8252126508869 is a deficient number, since it is larger than the sum of its proper divisors (1).

8252126508869 is an equidigital number, since it uses as much as digits as its factorization.

8252126508869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33177600, while the sum is 62.

The spelling of 8252126508869 in words is "eight trillion, two hundred fifty-two billion, one hundred twenty-six million, five hundred eight thousand, eight hundred sixty-nine".