444444224449 has 2 divisors, whose sum is σ = 444444224450. Its totient is φ = 444444224448.

The previous prime is 444444224417. The next prime is 444444224507. The reversal of 444444224449 is 944422444444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233161505424 + 211282719025 = 482868^2 + 459655^2 .

It is a cyclic number.

It is not a de Polignac number, because 444444224449 - 2⁵ = 444444224417 is a prime.

It is not a weakly prime, because it can be changed into another prime (444444924449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222222112224 + 222222112225.

It is an arithmetic number, because the mean of its divisors is an integer number (222222112225).

Almost surely, 2^444444224449 is an apocalyptic number.

It is an amenable number.

444444224449 is a deficient number, since it is larger than the sum of its proper divisors (1).

444444224449 is an equidigital number, since it uses as much as digits as its factorization.

444444224449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9437184, while the sum is 49.

The spelling of 444444224449 in words is "four hundred forty-four billion, four hundred forty-four million, two hundred twenty-four thousand, four hundred forty-nine".