441481785246889 has 4 divisors (see below), whose sum is σ = 441514216156356. Its totient is φ = 441449354337424.

The previous prime is 441481785246847. The next prime is 441481785246917. The reversal of 441481785246889 is 988642587184144.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 225211939225 + 441256573307664 = 474565^2 + 21006108^2 .

It is a cyclic number.

It is not a de Polignac number, because 441481785246889 - 2³⁵ = 441447425508521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441481785246289) 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 in 3 ways as a sum of consecutive naturals, for example, 16215434314 + ... + 16215461539.

It is an arithmetic number, because the mean of its divisors is an integer number (110378554039089).

Almost surely, 2^{441481785246889} is an apocalyptic number.

It is an amenable number.

441481785246889 is a deficient number, since it is larger than the sum of its proper divisors (32430909467).

441481785246889 is a wasteful number, since it uses less digits than its factorization.

441481785246889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32430909466.

The product of its digits is 3963617280, while the sum is 79.

The spelling of 441481785246889 in words is "four hundred forty-one trillion, four hundred eighty-one billion, seven hundred eighty-five million, two hundred forty-six thousand, eight hundred eighty-nine".