6567928049 has 2 divisors, whose sum is σ = 6567928050. Its totient is φ = 6567928048.

The previous prime is 6567928039. The next prime is 6567928067. The reversal of 6567928049 is 9408297656.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5198410000 + 1369518049 = 72100^2 + 37007^2 .

It is a cyclic number.

It is not a de Polignac number, because 6567928049 - 2¹⁶ = 6567862513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6567927985 and 6567928003.

It is not a weakly prime, because it can be changed into another prime (6567928039) 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, 3283964024 + 3283964025.

It is an arithmetic number, because the mean of its divisors is an integer number (3283964025).

Almost surely, 2^6567928049 is an apocalyptic number.

It is an amenable number.

6567928049 is a deficient number, since it is larger than the sum of its proper divisors (1).

6567928049 is an equidigital number, since it uses as much as digits as its factorization.

6567928049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The square root of 6567928049 is about 81042.7544509687. The cubic root of 6567928049 is about 1872.7341445989.

The spelling of 6567928049 in words is "six billion, five hundred sixty-seven million, nine hundred twenty-eight thousand, forty-nine".