444041413 has 2 divisors, whose sum is σ = 444041414. Its totient is φ = 444041412.

The previous prime is 444041393. The next prime is 444041431. The reversal of 444041413 is 314140444.

It is a happy number.

Together with next prime (444041431) 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., 289238049 + 154803364 = 17007^2 + 12442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444041413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444041453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222020706 + 222020707.

It is an arithmetic number, because the mean of its divisors is an integer number (222020707).

Almost surely, 2^444041413 is an apocalyptic number.

It is an amenable number.

444041413 is a deficient number, since it is larger than the sum of its proper divisors (1).

444041413 is an equidigital number, since it uses as much as digits as its factorization.

444041413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 444041413 is about 21072.2901697941. The cubic root of 444041413 is about 762.9120806886.

Adding to 444041413 its reverse (314140444), we get a palindrome (758181857).

The spelling of 444041413 in words is "four hundred forty-four million, forty-one thousand, four hundred thirteen".