939317161 has 2 divisors, whose sum is σ = 939317162. Its totient is φ = 939317160.

The previous prime is 939317131. The next prime is 939317209. The reversal of 939317161 is 161713939.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695957161 + 243360000 = 26381^2 + 15600^2 .

It is a cyclic number.

It is not a de Polignac number, because 939317161 - 2⁵ = 939317129 is a prime.

It is not a weakly prime, because it can be changed into another prime (939317131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469658580 + 469658581.

It is an arithmetic number, because the mean of its divisors is an integer number (469658581).

Almost surely, 2^939317161 is an apocalyptic number.

It is an amenable number.

939317161 is a deficient number, since it is larger than the sum of its proper divisors (1).

939317161 is an equidigital number, since it uses as much as digits as its factorization.

939317161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30618, while the sum is 40.

The square root of 939317161 is about 30648.2815342068. The cubic root of 939317161 is about 979.3488528175.

The spelling of 939317161 in words is "nine hundred thirty-nine million, three hundred seventeen thousand, one hundred sixty-one".