444442021039 has 2 divisors, whose sum is σ = 444442021040. Its totient is φ = 444442021038.

The previous prime is 444442021033. The next prime is 444442021073. The reversal of 444442021039 is 930120244444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444442021039 - 2¹¹ = 444442018991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444442020989 and 444442021007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444442021033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222221010519 + 222221010520.

It is an arithmetic number, because the mean of its divisors is an integer number (222221010520).

Almost surely, 2^444442021039 is an apocalyptic number.

444442021039 is a deficient number, since it is larger than the sum of its proper divisors (1).

444442021039 is an equidigital number, since it uses as much as digits as its factorization.

444442021039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 444442021039 in words is "four hundred forty-four billion, four hundred forty-two million, twenty-one thousand, thirty-nine".