9664334663 has 2 divisors, whose sum is σ = 9664334664. Its totient is φ = 9664334662.

The previous prime is 9664334653. The next prime is 9664334671. The reversal of 9664334663 is 3664334669.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9664334663 - 2²² = 9660140359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9664334653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4832167331 + 4832167332.

It is an arithmetic number, because the mean of its divisors is an integer number (4832167332).

Almost surely, 2^9664334663 is an apocalyptic number.

9664334663 is a deficient number, since it is larger than the sum of its proper divisors (1).

9664334663 is an equidigital number, since it uses as much as digits as its factorization.

9664334663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 50.

The square root of 9664334663 is about 98307.3479603636. The cubic root of 9664334663 is about 2130.0541959070.

The spelling of 9664334663 in words is "nine billion, six hundred sixty-four million, three hundred thirty-four thousand, six hundred sixty-three".