9664533313 has 2 divisors, whose sum is σ = 9664533314. Its totient is φ = 9664533312.

The previous prime is 9664533299. The next prime is 9664533377. The reversal of 9664533313 is 3133354669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9492215184 + 172318129 = 97428^2 + 13127^2 .

It is a cyclic number.

It is not a de Polignac number, because 9664533313 - 2²⁵ = 9630978881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9664533313.

It is not a weakly prime, because it can be changed into another prime (9664533383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4832266656 + 4832266657.

It is an arithmetic number, because the mean of its divisors is an integer number (4832266657).

Almost surely, 2^9664533313 is an apocalyptic number.

It is an amenable number.

9664533313 is a deficient number, since it is larger than the sum of its proper divisors (1).

9664533313 is an equidigital number, since it uses as much as digits as its factorization.

9664533313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 43.

The square root of 9664533313 is about 98308.3583069110. The cubic root of 9664533313 is about 2130.0687901990.

The spelling of 9664533313 in words is "nine billion, six hundred sixty-four million, five hundred thirty-three thousand, three hundred thirteen".