444135113449 has 2 divisors, whose sum is σ = 444135113450. Its totient is φ = 444135113448.

The previous prime is 444135113447. The next prime is 444135113503. The reversal of 444135113449 is 944311531444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 312333441424 + 131801672025 = 558868^2 + 363045^2 .

It is a cyclic number.

It is not a de Polignac number, because 444135113449 - 2¹ = 444135113447 is a prime.

It is a super-2 number, since 2×444135113449² (a number of 24 digits) contains 22 as substring.

Together with 444135113447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (444135113441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222067556724 + 222067556725.

It is an arithmetic number, because the mean of its divisors is an integer number (222067556725).

Almost surely, 2^444135113449 is an apocalyptic number.

It is an amenable number.

444135113449 is a deficient number, since it is larger than the sum of its proper divisors (1).

444135113449 is an equidigital number, since it uses as much as digits as its factorization.

444135113449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 43.

The spelling of 444135113449 in words is "four hundred forty-four billion, one hundred thirty-five million, one hundred thirteen thousand, four hundred forty-nine".