1069007729 has 2 divisors, whose sum is σ = 1069007730. Its totient is φ = 1069007728.

The previous prime is 1069007711. The next prime is 1069007743. The reversal of 1069007729 is 9277009601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 933913600 + 135094129 = 30560^2 + 11623^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069007729 - 2¹² = 1069003633 is a prime.

It is a super-2 number, since 2×1069007729² = 2285555049323474882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1069007759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534503864 + 534503865.

It is an arithmetic number, because the mean of its divisors is an integer number (534503865).

Almost surely, 2^1069007729 is an apocalyptic number.

It is an amenable number.

1069007729 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069007729 is an equidigital number, since it uses as much as digits as its factorization.

1069007729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 1069007729 is about 32695.6836447871. The cubic root of 1069007729 is about 1022.4928545679.

The spelling of 1069007729 in words is "one billion, sixty-nine million, seven thousand, seven hundred twenty-nine".