8502127085549 has 2 divisors, whose sum is σ = 8502127085550. Its totient is φ = 8502127085548.

The previous prime is 8502127085483. The next prime is 8502127085563. The reversal of 8502127085549 is 9455807212058.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8443197095524 + 58929990025 = 2905718^2 + 242755^2 .

It is a cyclic number.

It is not a de Polignac number, because 8502127085549 - 2⁸ = 8502127085293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8502127085494 and 8502127085503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8502127081549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4251063542774 + 4251063542775.

It is an arithmetic number, because the mean of its divisors is an integer number (4251063542775).

Almost surely, 2^{8502127085549} is an apocalyptic number.

It is an amenable number.

8502127085549 is a deficient number, since it is larger than the sum of its proper divisors (1).

8502127085549 is an equidigital number, since it uses as much as digits as its factorization.

8502127085549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064000, while the sum is 56.

The spelling of 8502127085549 in words is "eight trillion, five hundred two billion, one hundred twenty-seven million, eighty-five thousand, five hundred forty-nine".