444385037 has 2 divisors, whose sum is σ = 444385038. Its totient is φ = 444385036.

The previous prime is 444385021. The next prime is 444385063. The reversal of 444385037 is 730583444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380289001 + 64096036 = 19501^2 + 8006^2 .

It is a cyclic number.

It is not a de Polignac number, because 444385037 - 2⁴ = 444385021 is a prime.

It is a super-2 number, since 2×444385037² = 394956122218982738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444385537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222192518 + 222192519.

It is an arithmetic number, because the mean of its divisors is an integer number (222192519).

Almost surely, 2^444385037 is an apocalyptic number.

It is an amenable number.

444385037 is a deficient number, since it is larger than the sum of its proper divisors (1).

444385037 is an equidigital number, since it uses as much as digits as its factorization.

444385037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 444385037 is about 21080.4420494448. The cubic root of 444385037 is about 763.1088245799.

The spelling of 444385037 in words is "four hundred forty-four million, three hundred eighty-five thousand, thirty-seven".