944059021 has 2 divisors, whose sum is σ = 944059022. Its totient is φ = 944059020.

The previous prime is 944059009. The next prime is 944059037. The reversal of 944059021 is 120950449.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 935503396 + 8555625 = 30586^2 + 2925^2 .

It is a cyclic number.

It is not a de Polignac number, because 944059021 - 2¹¹ = 944056973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944059091) 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, 472029510 + 472029511.

It is an arithmetic number, because the mean of its divisors is an integer number (472029511).

Almost surely, 2^944059021 is an apocalyptic number.

It is an amenable number.

944059021 is a deficient number, since it is larger than the sum of its proper divisors (1).

944059021 is an equidigital number, since it uses as much as digits as its factorization.

944059021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 944059021 is about 30725.5434614264. The cubic root of 944059021 is about 980.9940701035.

The spelling of 944059021 in words is "nine hundred forty-four million, fifty-nine thousand, twenty-one".