9718424069 has 2 divisors, whose sum is σ = 9718424070. Its totient is φ = 9718424068.

The previous prime is 9718424041. The next prime is 9718424077. The reversal of 9718424069 is 9604248179.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6433644100 + 3284779969 = 80210^2 + 57313^2 .

It is an emirp because it is prime and its reverse (9604248179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9718424069 - 2¹² = 9718419973 is a prime.

It is a super-2 number, since 2×9718424069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9718429069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4859212034 + 4859212035.

It is an arithmetic number, because the mean of its divisors is an integer number (4859212035).

Almost surely, 2^9718424069 is an apocalyptic number.

It is an amenable number.

9718424069 is a deficient number, since it is larger than the sum of its proper divisors (1).

9718424069 is an equidigital number, since it uses as much as digits as its factorization.

9718424069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 9718424069 is about 98582.0676847468. The cubic root of 9718424069 is about 2134.0206386325.

The spelling of 9718424069 in words is "nine billion, seven hundred eighteen million, four hundred twenty-four thousand, sixty-nine".