5728961729 has 2 divisors, whose sum is σ = 5728961730. Its totient is φ = 5728961728.

The previous prime is 5728961669. The next prime is 5728961731. The reversal of 5728961729 is 9271698275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5484883600 + 244078129 = 74060^2 + 15623^2 .

It is a cyclic number.

It is not a de Polignac number, because 5728961729 - 2⁸ = 5728961473 is a prime.

Together with 5728961731, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5728961779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2864480864 + 2864480865.

It is an arithmetic number, because the mean of its divisors is an integer number (2864480865).

Almost surely, 2^5728961729 is an apocalyptic number.

It is an amenable number.

5728961729 is a deficient number, since it is larger than the sum of its proper divisors (1).

5728961729 is an equidigital number, since it uses as much as digits as its factorization.

5728961729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 56.

The square root of 5728961729 is about 75689.9050666600. The cubic root of 5728961729 is about 1789.3363049275.

The spelling of 5728961729 in words is "five billion, seven hundred twenty-eight million, nine hundred sixty-one thousand, seven hundred twenty-nine".