1068448809 has 8 divisors (see below), whose sum is σ = 1430016192. Its totient is φ = 709590320.

The previous prime is 1068448781. The next prime is 1068448811. The reversal of 1068448809 is 9088448601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1068448809 - 2⁸ = 1068448553 is a prime.

It is a super-2 number, since 2×1068448809² = 2283165714907036962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1068448009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676302 + ... + 677879.

It is an arithmetic number, because the mean of its divisors is an integer number (178752024).

Almost surely, 2^1068448809 is an apocalyptic number.

It is an amenable number.

1068448809 is a deficient number, since it is larger than the sum of its proper divisors (361567383).

1068448809 is a wasteful number, since it uses less digits than its factorization.

1068448809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354447.

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 1068448809 is about 32687.1352216740. The cubic root of 1068448809 is about 1022.3146234478.

The spelling of 1068448809 in words is "one billion, sixty-eight million, four hundred forty-eight thousand, eight hundred nine".