9468440689 has 2 divisors, whose sum is σ = 9468440690. Its totient is φ = 9468440688.

The previous prime is 9468440671. The next prime is 9468440713. The reversal of 9468440689 is 9860448649.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9291417664 + 177023025 = 96392^2 + 13305^2 .

It is a cyclic number.

It is not a de Polignac number, because 9468440689 - 2¹¹ = 9468438641 is a prime.

It is a super-2 number, since 2×9468440689² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9468443689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4734220344 + 4734220345.

It is an arithmetic number, because the mean of its divisors is an integer number (4734220345).

Almost surely, 2^9468440689 is an apocalyptic number.

It is an amenable number.

9468440689 is a deficient number, since it is larger than the sum of its proper divisors (1).

9468440689 is an equidigital number, since it uses as much as digits as its factorization.

9468440689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11943936, while the sum is 58.

The square root of 9468440689 is about 97305.9129189999. The cubic root of 9468440689 is about 2115.5639328808.

The spelling of 9468440689 in words is "nine billion, four hundred sixty-eight million, four hundred forty thousand, six hundred eighty-nine".