28302941144461 has 2 divisors, whose sum is σ = 28302941144462. Its totient is φ = 28302941144460.

The previous prime is 28302941144447. The next prime is 28302941144573. The reversal of 28302941144461 is 16444114920382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25516692474025 + 2786248670436 = 5051405^2 + 1669206^2 .

It is a cyclic number.

It is not a de Polignac number, because 28302941144461 - 2¹⁹ = 28302940620173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28302941144411) 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, 14151470572230 + 14151470572231.

It is an arithmetic number, because the mean of its divisors is an integer number (14151470572231).

Almost surely, 2^{28302941144461} is an apocalyptic number.

It is an amenable number.

28302941144461 is a deficient number, since it is larger than the sum of its proper divisors (1).

28302941144461 is an equidigital number, since it uses as much as digits as its factorization.

28302941144461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 28302941144461 in words is "twenty-eight trillion, three hundred two billion, nine hundred forty-one million, one hundred forty-four thousand, four hundred sixty-one".