444021109999 has 2 divisors, whose sum is σ = 444021110000. Its totient is φ = 444021109998.

The previous prime is 444021109979. The next prime is 444021110023. The reversal of 444021109999 is 999901120444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444021109999 - 2⁵ = 444021109967 is a prime.

It is a super-2 number, since 2×444021109999² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444021109949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222010554999 + 222010555000.

It is an arithmetic number, because the mean of its divisors is an integer number (222010555000).

Almost surely, 2^444021109999 is an apocalyptic number.

444021109999 is a deficient number, since it is larger than the sum of its proper divisors (1).

444021109999 is an equidigital number, since it uses as much as digits as its factorization.

444021109999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 52.

The spelling of 444021109999 in words is "four hundred forty-four billion, twenty-one million, one hundred nine thousand, nine hundred ninety-nine".