9646401033 has 12 divisors (see below), whose sum is σ = 13951183428. Its totient is φ = 6422860320.

The previous prime is 9646401031. The next prime is 9646401041. The reversal of 9646401033 is 3301046469.

9646401033 is a `hidden beast` number, since 9 + 6 + 4 + 640 + 1 + 0 + 3 + 3 = 666.

9646401033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2529285264 + 7117115769 = 50292^2 + 84363^2 .

It is not a de Polignac number, because 9646401033 - 2¹ = 9646401031 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9646401031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 665238 + ... + 679583.

It is an arithmetic number, because the mean of its divisors is an integer number (1162598619).

Almost surely, 2^9646401033 is an apocalyptic number.

It is an amenable number.

9646401033 is a deficient number, since it is larger than the sum of its proper divisors (4304782395).

9646401033 is a wasteful number, since it uses less digits than its factorization.

9646401033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345624 (or 1345621 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 9646401033 is about 98216.0935539589. The cubic root of 9646401033 is about 2128.7358345324.

The spelling of 9646401033 in words is "nine billion, six hundred forty-six million, four hundred one thousand, thirty-three".