28665102532219 has 2 divisors, whose sum is σ = 28665102532220. Its totient is φ = 28665102532218.

The previous prime is 28665102532207. The next prime is 28665102532243. The reversal of 28665102532219 is 91223520156682.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28665102532219 - 2¹¹ = 28665102530171 is a prime.

It is a super-2 number, since 2×28665102532219² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28665102532019) 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, 14332551266109 + 14332551266110.

It is an arithmetic number, because the mean of its divisors is an integer number (14332551266110).

Almost surely, 2^{28665102532219} is an apocalyptic number.

28665102532219 is a deficient number, since it is larger than the sum of its proper divisors (1).

28665102532219 is an equidigital number, since it uses as much as digits as its factorization.

28665102532219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 28665102532219 in words is "twenty-eight trillion, six hundred sixty-five billion, one hundred two million, five hundred thirty-two thousand, two hundred nineteen".