1068663869 has 16 divisors (see below), whose sum is σ = 1334917248. Its totient is φ = 832911552.

The previous prime is 1068663853. The next prime is 1068663913. The reversal of 1068663869 is 9683668601.

It is a cyclic number.

It is not a de Polignac number, because 1068663869 - 2⁴ = 1068663853 is a prime.

It is a super-2 number, since 2×1068663869² = 2284084929812098322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1068663869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068663829) 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 in 15 ways as a sum of consecutive naturals, for example, 81542 + ... + 93735.

It is an arithmetic number, because the mean of its divisors is an integer number (83432328).

Almost surely, 2^1068663869 is an apocalyptic number.

It is an amenable number.

1068663869 is a deficient number, since it is larger than the sum of its proper divisors (266253379).

1068663869 is a wasteful number, since it uses less digits than its factorization.

1068663869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175364.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The square root of 1068663869 is about 32690.4247295749. The cubic root of 1068663869 is about 1022.3832101789.

The spelling of 1068663869 in words is "one billion, sixty-eight million, six hundred sixty-three thousand, eight hundred sixty-nine".