2009706212 has 6 divisors (see below), whose sum is σ = 3516985878. Its totient is φ = 1004853104.

The previous prime is 2009706199. The next prime is 2009706217. The reversal of 2009706212 is 2126079002.

It can be written as a sum of positive squares in only one way, i.e., 1324523236 + 685182976 = 36394^2 + 26176^2 .

It is not an unprimeable number, because it can be changed into a prime (2009706217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251213273 + ... + 251213280.

It is an arithmetic number, because the mean of its divisors is an integer number (586164313).

Almost surely, 2^2009706212 is an apocalyptic number.

It is an amenable number.

2009706212 is a deficient number, since it is larger than the sum of its proper divisors (1507279666).

2009706212 is a wasteful number, since it uses less digits than its factorization.

2009706212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502426557 (or 502426555 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2009706212 is about 44829.7469544498. The cubic root of 2009706212 is about 1261.9559383955.

The spelling of 2009706212 in words is "two billion, nine million, seven hundred six thousand, two hundred twelve".