444013057 has 2 divisors, whose sum is σ = 444013058. Its totient is φ = 444013056.

The previous prime is 444013019. The next prime is 444013139. The reversal of 444013057 is 750310444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229946896 + 214066161 = 15164^2 + 14631^2 .

It is a cyclic number.

It is not a de Polignac number, because 444013057 - 2¹⁹ = 443488769 is a prime.

It is not a weakly prime, because it can be changed into another prime (444013007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222006528 + 222006529.

It is an arithmetic number, because the mean of its divisors is an integer number (222006529).

Almost surely, 2^444013057 is an apocalyptic number.

It is an amenable number.

444013057 is a deficient number, since it is larger than the sum of its proper divisors (1).

444013057 is an equidigital number, since it uses as much as digits as its factorization.

444013057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 444013057 is about 21071.6173323264. The cubic root of 444013057 is about 762.8958407653.

The spelling of 444013057 in words is "four hundred forty-four million, thirteen thousand, fifty-seven".