1068409679 has 2 divisors, whose sum is σ = 1068409680. Its totient is φ = 1068409678.

The previous prime is 1068409673. The next prime is 1068409703. The reversal of 1068409679 is 9769048601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1068409679 - 2⁸ = 1068409423 is a prime.

It is a super-2 number, since 2×1068409679² = 2282998484361766082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1068409673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534204839 + 534204840.

It is an arithmetic number, because the mean of its divisors is an integer number (534204840).

Almost surely, 2^1068409679 is an apocalyptic number.

1068409679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1068409679 is an equidigital number, since it uses as much as digits as its factorization.

1068409679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 1068409679 is about 32686.5366626689. The cubic root of 1068409679 is about 1022.3021431558.

The spelling of 1068409679 in words is "one billion, sixty-eight million, four hundred nine thousand, six hundred seventy-nine".