444044129 has 2 divisors, whose sum is σ = 444044130. Its totient is φ = 444044128.

The previous prime is 444044119. The next prime is 444044147. The reversal of 444044129 is 921440444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432640000 + 11404129 = 20800^2 + 3377^2 .

It is a cyclic number.

It is not a de Polignac number, because 444044129 - 2¹² = 444040033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444044095 and 444044104.

It is not a weakly prime, because it can be changed into another prime (444044119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222022064 + 222022065.

It is an arithmetic number, because the mean of its divisors is an integer number (222022065).

Almost surely, 2^444044129 is an apocalyptic number.

It is an amenable number.

444044129 is a deficient number, since it is larger than the sum of its proper divisors (1).

444044129 is an equidigital number, since it uses as much as digits as its factorization.

444044129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 444044129 is about 21072.3546145180. The cubic root of 444044129 is about 762.9136361478.

The spelling of 444044129 in words is "four hundred forty-four million, forty-four thousand, one hundred twenty-nine".