441161541449 has 2 divisors, whose sum is σ = 441161541450. Its totient is φ = 441161541448.

The previous prime is 441161541439. The next prime is 441161541467. The reversal of 441161541449 is 944145161144.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 276288999424 + 164872542025 = 525632^2 + 406045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441161541449 is a prime.

It is not a weakly prime, because it can be changed into another prime (441161541439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220580770724 + 220580770725.

It is an arithmetic number, because the mean of its divisors is an integer number (220580770725).

Almost surely, 2^441161541449 is an apocalyptic number.

It is an amenable number.

441161541449 is a deficient number, since it is larger than the sum of its proper divisors (1).

441161541449 is an equidigital number, since it uses as much as digits as its factorization.

441161541449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 44.

The spelling of 441161541449 in words is "four hundred forty-one billion, one hundred sixty-one million, five hundred forty-one thousand, four hundred forty-nine".