945166939 has 2 divisors, whose sum is σ = 945166940. Its totient is φ = 945166938.

The previous prime is 945166921. The next prime is 945166949. The reversal of 945166939 is 939661549.

945166939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 945166939 - 2⁹ = 945166427 is a prime.

It is not a weakly prime, because it can be changed into another prime (945166909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472583469 + 472583470.

It is an arithmetic number, because the mean of its divisors is an integer number (472583470).

Almost surely, 2^945166939 is an apocalyptic number.

945166939 is a deficient number, since it is larger than the sum of its proper divisors (1).

945166939 is an equidigital number, since it uses as much as digits as its factorization.

945166939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 52.

The square root of 945166939 is about 30743.5674410111. The cubic root of 945166939 is about 981.3776746848.

The spelling of 945166939 in words is "nine hundred forty-five million, one hundred sixty-six thousand, nine hundred thirty-nine".