2112362729 has 2 divisors, whose sum is σ = 2112362730. Its totient is φ = 2112362728.

The previous prime is 2112362713. The next prime is 2112362737. The reversal of 2112362729 is 9272632112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1791236329 + 321126400 = 42323^2 + 17920^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112362729 - 2⁴ = 2112362713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2112362779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056181364 + 1056181365.

It is an arithmetic number, because the mean of its divisors is an integer number (1056181365).

Almost surely, 2^2112362729 is an apocalyptic number.

It is an amenable number.

2112362729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112362729 is an equidigital number, since it uses as much as digits as its factorization.

2112362729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 2112362729 is about 45960.4474412510. The cubic root of 2112362729 is about 1283.0871789124.

The spelling of 2112362729 in words is "two billion, one hundred twelve million, three hundred sixty-two thousand, seven hundred twenty-nine".