1068410909 has 4 divisors (see below), whose sum is σ = 1091143104. Its totient is φ = 1045678716.

The previous prime is 1068410899. The next prime is 1068410921. The reversal of 1068410909 is 9090148601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1068410909 - 2⁸ = 1068410653 is a prime.

It is a super-2 number, since 2×1068410909² = 2283003740940412562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1068418909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11366027 + ... + 11366120.

It is an arithmetic number, because the mean of its divisors is an integer number (272785776).

Almost surely, 2^1068410909 is an apocalyptic number.

It is an amenable number.

1068410909 is a deficient number, since it is larger than the sum of its proper divisors (22732195).

1068410909 is an equidigital number, since it uses as much as digits as its factorization.

1068410909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22732194.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 1068410909 is about 32686.5554777496. Note that the first 3 decimals coincide. The cubic root of 1068410909 is about 1022.3025354620.

The spelling of 1068410909 in words is "one billion, sixty-eight million, four hundred ten thousand, nine hundred nine".