1069768439 has 2 divisors, whose sum is σ = 1069768440. Its totient is φ = 1069768438.

The previous prime is 1069768391. The next prime is 1069768459. The reversal of 1069768439 is 9348679601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1069768439 is a prime.

It is a super-2 number, since 2×1069768439² = 2288809026160993442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1069768459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534884219 + 534884220.

It is an arithmetic number, because the mean of its divisors is an integer number (534884220).

Almost surely, 2^1069768439 is an apocalyptic number.

1069768439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069768439 is an equidigital number, since it uses as much as digits as its factorization.

1069768439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 1069768439 is about 32707.3147629089. The cubic root of 1069768439 is about 1022.7353336730.

The spelling of 1069768439 in words is "one billion, sixty-nine million, seven hundred sixty-eight thousand, four hundred thirty-nine".