1069273489 has 2 divisors, whose sum is σ = 1069273490. Its totient is φ = 1069273488.

The previous prime is 1069273477. The next prime is 1069273537. The reversal of 1069273489 is 9843729601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 636300625 + 432972864 = 25225^2 + 20808^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069273489 - 2²¹ = 1067176337 is a prime.

It is a super-2 number, since 2×1069273489² = 2286691588556466242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1069273409) 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 as a sum of consecutive naturals, namely, 534636744 + 534636745.

It is an arithmetic number, because the mean of its divisors is an integer number (534636745).

Almost surely, 2^1069273489 is an apocalyptic number.

It is an amenable number.

1069273489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069273489 is an equidigital number, since it uses as much as digits as its factorization.

1069273489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 1069273489 is about 32699.7475372517. The cubic root of 1069273489 is about 1022.5775796135.

The spelling of 1069273489 in words is "one billion, sixty-nine million, two hundred seventy-three thousand, four hundred eighty-nine".