2331056729 has 2 divisors, whose sum is σ = 2331056730. Its totient is φ = 2331056728.

The previous prime is 2331056699. The next prime is 2331056731. The reversal of 2331056729 is 9276501332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2167088704 + 163968025 = 46552^2 + 12805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2331056729 is a prime.

Together with 2331056731, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331056692 and 2331056701.

It is not a weakly prime, because it can be changed into another prime (2331056929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165528364 + 1165528365.

It is an arithmetic number, because the mean of its divisors is an integer number (1165528365).

Almost surely, 2^2331056729 is an apocalyptic number.

It is an amenable number.

2331056729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331056729 is an equidigital number, since it uses as much as digits as its factorization.

2331056729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 2331056729 is about 48281.0183094764. The cubic root of 2331056729 is about 1325.9208937442.

The spelling of 2331056729 in words is "two billion, three hundred thirty-one million, fifty-six thousand, seven hundred twenty-nine".