444002020129 has 2 divisors, whose sum is σ = 444002020130. Its totient is φ = 444002020128.

The previous prime is 444002020093. The next prime is 444002020159. The reversal of 444002020129 is 921020200444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347542083729 + 96459936400 = 589527^2 + 310580^2 .

It is a cyclic number.

It is not a de Polignac number, because 444002020129 - 2²⁹ = 443465149217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444002020097 and 444002020106.

It is not a weakly prime, because it can be changed into another prime (444002020159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222001010064 + 222001010065.

It is an arithmetic number, because the mean of its divisors is an integer number (222001010065).

Almost surely, 2^444002020129 is an apocalyptic number.

It is an amenable number.

444002020129 is a deficient number, since it is larger than the sum of its proper divisors (1).

444002020129 is an equidigital number, since it uses as much as digits as its factorization.

444002020129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 444002020129 in words is "four hundred forty-four billion, two million, twenty thousand, one hundred twenty-nine".