2116633009 has 2 divisors, whose sum is σ = 2116633010. Its totient is φ = 2116633008.

The previous prime is 2116633007. The next prime is 2116633027. The reversal of 2116633009 is 9003366112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1317327025 + 799305984 = 36295^2 + 28272^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116633009 - 2¹ = 2116633007 is a prime.

Together with 2116633007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2116633007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058316504 + 1058316505.

It is an arithmetic number, because the mean of its divisors is an integer number (1058316505).

Almost surely, 2^2116633009 is an apocalyptic number.

It is an amenable number.

2116633009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116633009 is an equidigital number, since it uses as much as digits as its factorization.

2116633009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 2116633009 is about 46006.8800181016. The cubic root of 2116633009 is about 1283.9512119430.

The spelling of 2116633009 in words is "two billion, one hundred sixteen million, six hundred thirty-three thousand, nine".