444444330457 has 2 divisors, whose sum is σ = 444444330458. Its totient is φ = 444444330456.

The previous prime is 444444330433. The next prime is 444444330527. The reversal of 444444330457 is 754033444444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231687232921 + 212757097536 = 481339^2 + 461256^2 .

It is a cyclic number.

It is not a de Polignac number, because 444444330457 - 2¹¹ = 444444328409 is a prime.

It is not a weakly prime, because it can be changed into another prime (444444330157) 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, 222222165228 + 222222165229.

It is an arithmetic number, because the mean of its divisors is an integer number (222222165229).

Almost surely, 2^444444330457 is an apocalyptic number.

It is an amenable number.

444444330457 is a deficient number, since it is larger than the sum of its proper divisors (1).

444444330457 is an equidigital number, since it uses as much as digits as its factorization.

444444330457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5160960, while the sum is 46.

The spelling of 444444330457 in words is "four hundred forty-four billion, four hundred forty-four million, three hundred thirty thousand, four hundred fifty-seven".