441478265015993 has 2 divisors, whose sum is σ = 441478265015994. Its totient is φ = 441478265015992.

The previous prime is 441478265015939. The next prime is 441478265016037. The reversal of 441478265015993 is 399510562874144.

Together with previous prime (441478265015939) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243569303383849 + 197908961632144 = 15606707^2 + 14068012^2 .

It is a cyclic number.

It is not a de Polignac number, because 441478265015993 - 2¹² = 441478265011897 is a prime.

It is not a weakly prime, because it can be changed into another prime (441448265015993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220739132507996 + 220739132507997.

It is an arithmetic number, because the mean of its divisors is an integer number (220739132507997).

It is a 1-persistent number, because it is pandigital, but 2⋅441478265015993 = 882956530031986 is not.

Almost surely, 2^{441478265015993} is an apocalyptic number.

It is an amenable number.

441478265015993 is a deficient number, since it is larger than the sum of its proper divisors (1).

441478265015993 is an equidigital number, since it uses as much as digits as its factorization.

441478265015993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 261273600, while the sum is 68.

The spelling of 441478265015993 in words is "four hundred forty-one trillion, four hundred seventy-eight billion, two hundred sixty-five million, fifteen thousand, nine hundred ninety-three".