5728495781 has 2 divisors, whose sum is σ = 5728495782. Its totient is φ = 5728495780.

The previous prime is 5728495777. The next prime is 5728495841. The reversal of 5728495781 is 1875948275.

5728495781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3444516100 + 2283979681 = 58690^2 + 47791^2 .

It is a cyclic number.

It is not a de Polignac number, because 5728495781 - 2² = 5728495777 is a prime.

It is a super-2 number, since 2×5728495781² = 65631327825869599922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5728495741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2864247890 + 2864247891.

It is an arithmetic number, because the mean of its divisors is an integer number (2864247891).

Almost surely, 2^5728495781 is an apocalyptic number.

It is an amenable number.

5728495781 is a deficient number, since it is larger than the sum of its proper divisors (1).

5728495781 is an equidigital number, since it uses as much as digits as its factorization.

5728495781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5644800, while the sum is 56.

The square root of 5728495781 is about 75686.8269978336. The cubic root of 5728495781 is about 1789.2877935034.

The spelling of 5728495781 in words is "five billion, seven hundred twenty-eight million, four hundred ninety-five thousand, seven hundred eighty-one".