85058841269 has 2 divisors, whose sum is σ = 85058841270. Its totient is φ = 85058841268.

The previous prime is 85058841253. The next prime is 85058841271. The reversal of 85058841269 is 96214885058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84931444900 + 127396369 = 291430^2 + 11287^2 .

It is a cyclic number.

It is not a de Polignac number, because 85058841269 - 2⁴ = 85058841253 is a prime.

It is a super-2 number, since 2×85058841269² (a number of 23 digits) contains 22 as substring.

Together with 85058841271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85058841209) 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, 42529420634 + 42529420635.

It is an arithmetic number, because the mean of its divisors is an integer number (42529420635).

Almost surely, 2^85058841269 is an apocalyptic number.

It is an amenable number.

85058841269 is a deficient number, since it is larger than the sum of its proper divisors (1).

85058841269 is an equidigital number, since it uses as much as digits as its factorization.

85058841269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5529600, while the sum is 56.

The spelling of 85058841269 in words is "eighty-five billion, fifty-eight million, eight hundred forty-one thousand, two hundred sixty-nine".