2730667729 has 2 divisors, whose sum is σ = 2730667730. Its totient is φ = 2730667728.

The previous prime is 2730667727. The next prime is 2730667759. The reversal of 2730667729 is 9277660372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1735139025 + 995528704 = 41655^2 + 31552^2 .

It is a cyclic number.

It is not a de Polignac number, because 2730667729 - 2¹ = 2730667727 is a prime.

Together with 2730667727, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2730667727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365333864 + 1365333865.

It is an arithmetic number, because the mean of its divisors is an integer number (1365333865).

Almost surely, 2^2730667729 is an apocalyptic number.

It is an amenable number.

2730667729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2730667729 is an equidigital number, since it uses as much as digits as its factorization.

2730667729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The square root of 2730667729 is about 52255.7913441180. The cubic root of 2730667729 is about 1397.7289248346.

The spelling of 2730667729 in words is "two billion, seven hundred thirty million, six hundred sixty-seven thousand, seven hundred twenty-nine".