2133639169 has 2 divisors, whose sum is σ = 2133639170. Its totient is φ = 2133639168.

The previous prime is 2133639161. The next prime is 2133639197. The reversal of 2133639169 is 9619363312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2032837569 + 100801600 = 45087^2 + 10040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133639169 - 2³ = 2133639161 is a prime.

It is a super-3 number, since 3×2133639169³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2133639161) 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, 1066819584 + 1066819585.

It is an arithmetic number, because the mean of its divisors is an integer number (1066819585).

Almost surely, 2^2133639169 is an apocalyptic number.

It is an amenable number.

2133639169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133639169 is an equidigital number, since it uses as much as digits as its factorization.

2133639169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 43.

The square root of 2133639169 is about 46191.3321847292. The cubic root of 2133639169 is about 1287.3806934284.

The spelling of 2133639169 in words is "two billion, one hundred thirty-three million, six hundred thirty-nine thousand, one hundred sixty-nine".