2012329909 has 2 divisors, whose sum is σ = 2012329910. Its totient is φ = 2012329908.

The previous prime is 2012329889. The next prime is 2012330009. The reversal of 2012329909 is 9099232102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1891989009 + 120340900 = 43497^2 + 10970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012329909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012320909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006164954 + 1006164955.

It is an arithmetic number, because the mean of its divisors is an integer number (1006164955).

Almost surely, 2^2012329909 is an apocalyptic number.

It is an amenable number.

2012329909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012329909 is an equidigital number, since it uses as much as digits as its factorization.

2012329909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 2012329909 is about 44859.0003120890. Note that the first 3 decimals coincide. The cubic root of 2012329909 is about 1262.5048660924.

The spelling of 2012329909 in words is "two billion, twelve million, three hundred twenty-nine thousand, nine hundred nine".