1069968709 has 2 divisors, whose sum is σ = 1069968710. Its totient is φ = 1069968708.

The previous prime is 1069968703. The next prime is 1069968721. The reversal of 1069968709 is 9078699601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067851684 + 2117025 = 32678^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069968709 - 2⁹ = 1069968197 is a prime.

It is a super-2 number, since 2×1069968709² = 2289666076478253362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1069968709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1069968703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534984354 + 534984355.

It is an arithmetic number, because the mean of its divisors is an integer number (534984355).

Almost surely, 2^1069968709 is an apocalyptic number.

It is an amenable number.

1069968709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069968709 is an equidigital number, since it uses as much as digits as its factorization.

1069968709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 1069968709 is about 32710.3761672042. The cubic root of 1069968709 is about 1022.7991513547.

The spelling of 1069968709 in words is "one billion, sixty-nine million, nine hundred sixty-eight thousand, seven hundred nine".