9664933741 has 2 divisors, whose sum is σ = 9664933742. Its totient is φ = 9664933740.

The previous prime is 9664933727. The next prime is 9664933787. The reversal of 9664933741 is 1473394669.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7060872841 + 2604060900 = 84029^2 + 51030^2 .

It is a cyclic number.

It is not a de Polignac number, because 9664933741 - 2⁷ = 9664933613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9664933711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4832466870 + 4832466871.

It is an arithmetic number, because the mean of its divisors is an integer number (4832466871).

Almost surely, 2^9664933741 is an apocalyptic number.

It is an amenable number.

9664933741 is a deficient number, since it is larger than the sum of its proper divisors (1).

9664933741 is an equidigital number, since it uses as much as digits as its factorization.

9664933741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 52.

The square root of 9664933741 is about 98310.3948776527. The cubic root of 9664933741 is about 2130.0982079811.

The spelling of 9664933741 in words is "nine billion, six hundred sixty-four million, nine hundred thirty-three thousand, seven hundred forty-one".