441257787068113 has 2 divisors, whose sum is σ = 441257787068114. Its totient is φ = 441257787068112.

The previous prime is 441257787068017. The next prime is 441257787068117. The reversal of 441257787068113 is 311860787752144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316832061249729 + 124425725818384 = 17799777^2 + 11154628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441257787068113 is a prime.

It is not a weakly prime, because it can be changed into another prime (441257787068117) 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, 220628893534056 + 220628893534057.

It is an arithmetic number, because the mean of its divisors is an integer number (220628893534057).

Almost surely, 2^{441257787068113} is an apocalyptic number.

It is an amenable number.

441257787068113 is a deficient number, since it is larger than the sum of its proper divisors (1).

441257787068113 is an equidigital number, since it uses as much as digits as its factorization.

441257787068113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63221760, while the sum is 64.

The spelling of 441257787068113 in words is "four hundred forty-one trillion, two hundred fifty-seven billion, seven hundred eighty-seven million, sixty-eight thousand, one hundred thirteen".