8230532729 has 2 divisors, whose sum is σ = 8230532730. Its totient is φ = 8230532728.

The previous prime is 8230532707. The next prime is 8230532731. The reversal of 8230532729 is 9272350328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4445822329 + 3784710400 = 66677^2 + 61520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8230532729 is a prime.

It is a Sophie Germain prime.

Together with 8230532731, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8230532789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4115266364 + 4115266365.

It is an arithmetic number, because the mean of its divisors is an integer number (4115266365).

Almost surely, 2^8230532729 is an apocalyptic number.

It is an amenable number.

8230532729 is a deficient number, since it is larger than the sum of its proper divisors (1).

8230532729 is an equidigital number, since it uses as much as digits as its factorization.

8230532729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 8230532729 is about 90722.2835305638. The cubic root of 8230532729 is about 2019.0294269615.

The spelling of 8230532729 in words is "eight billion, two hundred thirty million, five hundred thirty-two thousand, seven hundred twenty-nine".