28340211241 has 2 divisors, whose sum is σ = 28340211242. Its totient is φ = 28340211240.

The previous prime is 28340211223. The next prime is 28340211269. The reversal of 28340211241 is 14211204382.

It is an a-pointer prime, because the next prime (28340211269) can be obtained adding 28340211241 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25818062400 + 2522148841 = 160680^2 + 50221^2 .

It is a cyclic number.

It is not a de Polignac number, because 28340211241 - 2¹⁵ = 28340178473 is a prime.

It is not a weakly prime, because it can be changed into another prime (28340211271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14170105620 + 14170105621.

It is an arithmetic number, because the mean of its divisors is an integer number (14170105621).

Almost surely, 2^28340211241 is an apocalyptic number.

It is an amenable number.

28340211241 is a deficient number, since it is larger than the sum of its proper divisors (1).

28340211241 is an equidigital number, since it uses as much as digits as its factorization.

28340211241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 28340211241 in words is "twenty-eight billion, three hundred forty million, two hundred eleven thousand, two hundred forty-one".