28665102532243 has 2 divisors, whose sum is σ = 28665102532244. Its totient is φ = 28665102532242.

The previous prime is 28665102532219. The next prime is 28665102532267. The reversal of 28665102532243 is 34223520156682.

It is a balanced prime because it is at equal distance from previous prime (28665102532219) and next prime (28665102532267).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28665102532243 is a prime.

It is a super-2 number, since 2×28665102532243² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28665102542243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14332551266121 + 14332551266122.

It is an arithmetic number, because the mean of its divisors is an integer number (14332551266122).

Almost surely, 2^{28665102532243} is an apocalyptic number.

28665102532243 is a deficient number, since it is larger than the sum of its proper divisors (1).

28665102532243 is an equidigital number, since it uses as much as digits as its factorization.

28665102532243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 28665102532243 in words is "twenty-eight trillion, six hundred sixty-five billion, one hundred two million, five hundred thirty-two thousand, two hundred forty-three".