6476540789 has 2 divisors, whose sum is σ = 6476540790. Its totient is φ = 6476540788.

The previous prime is 6476540737. The next prime is 6476540803. The reversal of 6476540789 is 9870456746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5659552900 + 816987889 = 75230^2 + 28583^2 .

It is a cyclic number.

It is not a de Polignac number, because 6476540789 - 2⁸ = 6476540533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6476540989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3238270394 + 3238270395.

It is an arithmetic number, because the mean of its divisors is an integer number (3238270395).

Almost surely, 2^6476540789 is an apocalyptic number.

It is an amenable number.

6476540789 is a deficient number, since it is larger than the sum of its proper divisors (1).

6476540789 is an equidigital number, since it uses as much as digits as its factorization.

6476540789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The square root of 6476540789 is about 80476.9581246707. The cubic root of 6476540789 is about 1864.0076984469.

The spelling of 6476540789 in words is "six billion, four hundred seventy-six million, five hundred forty thousand, seven hundred eighty-nine".