28444410061 has 2 divisors, whose sum is σ = 28444410062. Its totient is φ = 28444410060.

The previous prime is 28444409999. The next prime is 28444410073. The reversal of 28444410061 is 16001444482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27314172900 + 1130237161 = 165270^2 + 33619^2 .

It is a cyclic number.

It is not a de Polignac number, because 28444410061 - 2⁹ = 28444409549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28444409999 and 28444410026.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28444416061) 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, 14222205030 + 14222205031.

It is an arithmetic number, because the mean of its divisors is an integer number (14222205031).

Almost surely, 2^28444410061 is an apocalyptic number.

It is an amenable number.

28444410061 is a deficient number, since it is larger than the sum of its proper divisors (1).

28444410061 is an equidigital number, since it uses as much as digits as its factorization.

28444410061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24576, while the sum is 34.

The spelling of 28444410061 in words is "twenty-eight billion, four hundred forty-four million, four hundred ten thousand, sixty-one".