28068973536269 has 2 divisors, whose sum is σ = 28068973536270. Its totient is φ = 28068973536268.

The previous prime is 28068973536193. The next prime is 28068973536287. The reversal of 28068973536269 is 96263537986082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24138925007044 + 3930048529225 = 4913138^2 + 1982435^2 .

It is a cyclic number.

It is not a de Polignac number, because 28068973536269 - 2³² = 28064678568973 is a prime.

It is a super-2 number, since 2×28068973536269² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28068973536196 and 28068973536205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28068973536869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14034486768134 + 14034486768135.

It is an arithmetic number, because the mean of its divisors is an integer number (14034486768135).

Almost surely, 2^{28068973536269} is an apocalyptic number.

It is an amenable number.

28068973536269 is a deficient number, since it is larger than the sum of its proper divisors (1).

28068973536269 is an equidigital number, since it uses as much as digits as its factorization.

28068973536269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1410877440, while the sum is 74.

The spelling of 28068973536269 in words is "twenty-eight trillion, sixty-eight billion, nine hundred seventy-three million, five hundred thirty-six thousand, two hundred sixty-nine".