1069494709 has 2 divisors, whose sum is σ = 1069494710. Its totient is φ = 1069494708.

The previous prime is 1069494703. The next prime is 1069494719. The reversal of 1069494709 is 9074949601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1059697809 + 9796900 = 32553^2 + 3130^2 .

It is an emirp because it is prime and its reverse (9074949601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1069494709 - 2⁵ = 1069494677 is a prime.

It is a super-2 number, since 2×1069494709² = 2287637865157989362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1069494703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 534747354 + 534747355.

It is an arithmetic number, because the mean of its divisors is an integer number (534747355).

Almost surely, 2^1069494709 is an apocalyptic number.

It is an amenable number.

1069494709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1069494709 is an equidigital number, since it uses as much as digits as its factorization.

1069494709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 1069494709 is about 32703.1299572380. The cubic root of 1069494709 is about 1022.6480944743.

The spelling of 1069494709 in words is "one billion, sixty-nine million, four hundred ninety-four thousand, seven hundred nine".