444630073057 has 2 divisors, whose sum is σ = 444630073058. Its totient is φ = 444630073056.

The previous prime is 444630073039. The next prime is 444630073117. The reversal of 444630073057 is 750370036444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340327557376 + 104302515681 = 583376^2 + 322959^2 .

It is a cyclic number.

It is not a de Polignac number, because 444630073057 - 2²⁷ = 444495855329 is a prime.

It is not a weakly prime, because it can be changed into another prime (444630073157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222315036528 + 222315036529.

It is an arithmetic number, because the mean of its divisors is an integer number (222315036529).

Almost surely, 2^444630073057 is an apocalyptic number.

It is an amenable number.

444630073057 is a deficient number, since it is larger than the sum of its proper divisors (1).

444630073057 is an equidigital number, since it uses as much as digits as its factorization.

444630073057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 43.

The spelling of 444630073057 in words is "four hundred forty-four billion, six hundred thirty million, seventy-three thousand, fifty-seven".