2143133269 has 2 divisors, whose sum is σ = 2143133270. Its totient is φ = 2143133268.

The previous prime is 2143133231. The next prime is 2143133299. The reversal of 2143133269 is 9623313412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2140450225 + 2683044 = 46265^2 + 1638^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143133269 - 2⁷ = 2143133141 is a prime.

It is a super-2 number, since 2×2143133269² = 9186040417389252722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143133299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071566634 + 1071566635.

It is an arithmetic number, because the mean of its divisors is an integer number (1071566635).

Almost surely, 2^2143133269 is an apocalyptic number.

It is an amenable number.

2143133269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143133269 is an equidigital number, since it uses as much as digits as its factorization.

2143133269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 34.

The square root of 2143133269 is about 46293.9873957731. The cubic root of 2143133269 is about 1289.2873633352.

The spelling of 2143133269 in words is "two billion, one hundred forty-three million, one hundred thirty-three thousand, two hundred sixty-nine".