944672189 has 2 divisors, whose sum is σ = 944672190. Its totient is φ = 944672188.

The previous prime is 944672147. The next prime is 944672227. The reversal of 944672189 is 981276449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839260900 + 105411289 = 28970^2 + 10267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-944672189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (944675189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472336094 + 472336095.

It is an arithmetic number, because the mean of its divisors is an integer number (472336095).

Almost surely, 2^944672189 is an apocalyptic number.

It is an amenable number.

944672189 is a deficient number, since it is larger than the sum of its proper divisors (1).

944672189 is an equidigital number, since it uses as much as digits as its factorization.

944672189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The square root of 944672189 is about 30735.5199890941. The cubic root of 944672189 is about 981.2064099316.

The spelling of 944672189 in words is "nine hundred forty-four million, six hundred seventy-two thousand, one hundred eighty-nine".