441768178741009 has 2 divisors, whose sum is σ = 441768178741010. Its totient is φ = 441768178741008.

The previous prime is 441768178740937. The next prime is 441768178741013. The reversal of 441768178741009 is 900147871867144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356989017587409 + 84779161153600 = 18894153^2 + 9207560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441768178741009 is a prime.

It is not a weakly prime, because it can be changed into another prime (441768178741079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220884089370504 + 220884089370505.

It is an arithmetic number, because the mean of its divisors is an integer number (220884089370505).

Almost surely, 2^{441768178741009} is an apocalyptic number.

It is an amenable number.

441768178741009 is a deficient number, since it is larger than the sum of its proper divisors (1).

441768178741009 is an equidigital number, since it uses as much as digits as its factorization.

441768178741009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75866112, while the sum is 67.

The spelling of 441768178741009 in words is "four hundred forty-one trillion, seven hundred sixty-eight billion, one hundred seventy-eight million, seven hundred forty-one thousand, nine".