9689639033 has 2 divisors, whose sum is σ = 9689639034. Its totient is φ = 9689639032.

The previous prime is 9689639021. The next prime is 9689639053. The reversal of 9689639033 is 3309369869.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7940057449 + 1749581584 = 89107^2 + 41828^2 .

It is a cyclic number.

It is not a de Polignac number, because 9689639033 - 2⁴ = 9689639017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9689639033.

It is not a weakly prime, because it can be changed into another prime (9689639053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4844819516 + 4844819517.

It is an arithmetic number, because the mean of its divisors is an integer number (4844819517).

Almost surely, 2^9689639033 is an apocalyptic number.

It is an amenable number.

9689639033 is a deficient number, since it is larger than the sum of its proper divisors (1).

9689639033 is an equidigital number, since it uses as much as digits as its factorization.

9689639033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5668704, while the sum is 56.

The square root of 9689639033 is about 98435.9641238912. The cubic root of 9689639033 is about 2131.9116338437.

The spelling of 9689639033 in words is "nine billion, six hundred eighty-nine million, six hundred thirty-nine thousand, thirty-three".