2115729233 has 2 divisors, whose sum is σ = 2115729234. Its totient is φ = 2115729232.

The previous prime is 2115729229. The next prime is 2115729241. The reversal of 2115729233 is 3329275112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1443468049 + 672261184 = 37993^2 + 25928^2 .

It is a cyclic number.

It is not a de Polignac number, because 2115729233 - 2² = 2115729229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2115729193 and 2115729202.

It is not a weakly prime, because it can be changed into another prime (2115729263) 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, 1057864616 + 1057864617.

It is an arithmetic number, because the mean of its divisors is an integer number (1057864617).

Almost surely, 2^2115729233 is an apocalyptic number.

It is an amenable number.

2115729233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115729233 is an equidigital number, since it uses as much as digits as its factorization.

2115729233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 2115729233 is about 45997.0567862771. The cubic root of 2115729233 is about 1283.7684421881.

The spelling of 2115729233 in words is "two billion, one hundred fifteen million, seven hundred twenty-nine thousand, two hundred thirty-three".