944809163 has 2 divisors, whose sum is σ = 944809164. Its totient is φ = 944809162.

The previous prime is 944809139. The next prime is 944809199. The reversal of 944809163 is 361908449.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 944809163 - 2¹² = 944805067 is a prime.

It is not a weakly prime, because it can be changed into another prime (944809123) 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, 472404581 + 472404582.

It is an arithmetic number, because the mean of its divisors is an integer number (472404582).

Almost surely, 2^944809163 is an apocalyptic number.

944809163 is a deficient number, since it is larger than the sum of its proper divisors (1).

944809163 is an equidigital number, since it uses as much as digits as its factorization.

944809163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 944809163 is about 30737.7481771193. The cubic root of 944809163 is about 981.2538314157.

The spelling of 944809163 in words is "nine hundred forty-four million, eight hundred nine thousand, one hundred sixty-three".