1069489999 has 2 divisors, whose sum is σ = 1069490000. Its totient is φ = 1069489998.

The previous prime is 1069489997. The next prime is 1069490017. The reversal of 1069489999 is 9999849601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1069489999 - 2¹ = 1069489997 is a prime.

It is a super-2 number, since 2×1069489999² = 2287617715922040002, which contains 22 as substring.

Together with 1069489997, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1069489999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1069489997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534744999 + 534745000.

It is an arithmetic number, because the mean of its divisors is an integer number (534745000).

Almost surely, 2^1069489999 is an apocalyptic number.

1069489999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069489999 is an equidigital number, since it uses as much as digits as its factorization.

1069489999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11337408, while the sum is 64.

The square root of 1069489999 is about 32703.0579457029. The cubic root of 1069489999 is about 1022.6465932421.

The spelling of 1069489999 in words is "one billion, sixty-nine million, four hundred eighty-nine thousand, nine hundred ninety-nine".