6268768409 has 2 divisors, whose sum is σ = 6268768410. Its totient is φ = 6268768408.

The previous prime is 6268768399. The next prime is 6268768453. The reversal of 6268768409 is 9048678626.

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., 6070747225 + 198021184 = 77915^2 + 14072^2 .

It is a cyclic number.

It is not a de Polignac number, because 6268768409 - 2⁸ = 6268768153 is a prime.

It is not a weakly prime, because it can be changed into another prime (6268767409) 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, 3134384204 + 3134384205.

It is an arithmetic number, because the mean of its divisors is an integer number (3134384205).

Almost surely, 2^6268768409 is an apocalyptic number.

It is an amenable number.

6268768409 is a deficient number, since it is larger than the sum of its proper divisors (1).

6268768409 is an equidigital number, since it uses as much as digits as its factorization.

6268768409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The square root of 6268768409 is about 79175.5543649680. The cubic root of 6268768409 is about 1843.8577310235.

The spelling of 6268768409 in words is "six billion, two hundred sixty-eight million, seven hundred sixty-eight thousand, four hundred nine".