9638680133 has 2 divisors, whose sum is σ = 9638680134. Its totient is φ = 9638680132.

The previous prime is 9638680123. The next prime is 9638680217. The reversal of 9638680133 is 3310868369.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8108462209 + 1530217924 = 90047^2 + 39118^2 .

It is a cyclic number.

It is not a de Polignac number, because 9638680133 - 2²² = 9634485829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9638680123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4819340066 + 4819340067.

It is an arithmetic number, because the mean of its divisors is an integer number (4819340067).

Almost surely, 2^9638680133 is an apocalyptic number.

It is an amenable number.

9638680133 is a deficient number, since it is larger than the sum of its proper divisors (1).

9638680133 is an equidigital number, since it uses as much as digits as its factorization.

9638680133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 9638680133 is about 98176.7800093281. The cubic root of 9638680133 is about 2128.1677420588.

The spelling of 9638680133 in words is "nine billion, six hundred thirty-eight million, six hundred eighty thousand, one hundred thirty-three".