9606987289 has 2 divisors, whose sum is σ = 9606987290. Its totient is φ = 9606987288.

The previous prime is 9606987241. The next prime is 9606987293. The reversal of 9606987289 is 9827896069.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6710394889 + 2896592400 = 81917^2 + 53820^2 .

It is a cyclic number.

It is not a de Polignac number, because 9606987289 - 2¹³ = 9606979097 is a prime.

It is a super-3 number, since 3×9606987289³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9606987289.

It is not a weakly prime, because it can be changed into another prime (9606987989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4803493644 + 4803493645.

It is an arithmetic number, because the mean of its divisors is an integer number (4803493645).

Almost surely, 2^9606987289 is an apocalyptic number.

It is an amenable number.

9606987289 is a deficient number, since it is larger than the sum of its proper divisors (1).

9606987289 is an equidigital number, since it uses as much as digits as its factorization.

9606987289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23514624, while the sum is 64.

The square root of 9606987289 is about 98015.2400854071. The cubic root of 9606987289 is about 2125.8326454363.

The spelling of 9606987289 in words is "nine billion, six hundred six million, nine hundred eighty-seven thousand, two hundred eighty-nine".