2732321246729 has 2 divisors, whose sum is σ = 2732321246730. Its totient is φ = 2732321246728.

The previous prime is 2732321246687. The next prime is 2732321246741. The reversal of 2732321246729 is 9276421232372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1936564476025 + 795756770704 = 1391605^2 + 892052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2732321246729 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 (2732321266729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1366160623364 + 1366160623365.

It is an arithmetic number, because the mean of its divisors is an integer number (1366160623365).

Almost surely, 2^{2732321246729} is an apocalyptic number.

It is an amenable number.

2732321246729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2732321246729 is an equidigital number, since it uses as much as digits as its factorization.

2732321246729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 50.

The spelling of 2732321246729 in words is "two trillion, seven hundred thirty-two billion, three hundred twenty-one million, two hundred forty-six thousand, seven hundred twenty-nine".