2133165941 has 2 divisors, whose sum is σ = 2133165942. Its totient is φ = 2133165940.

The previous prime is 2133165883. The next prime is 2133165959. The reversal of 2133165941 is 1495613312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1836465316 + 296700625 = 42854^2 + 17225^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133165941 - 2⁶ = 2133165877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133161941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066582970 + 1066582971.

It is an arithmetic number, because the mean of its divisors is an integer number (1066582971).

Almost surely, 2^2133165941 is an apocalyptic number.

It is an amenable number.

2133165941 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133165941 is an equidigital number, since it uses as much as digits as its factorization.

2133165941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 2133165941 is about 46186.2094244592. The cubic root of 2133165941 is about 1287.2855086933.

The spelling of 2133165941 in words is "two billion, one hundred thirty-three million, one hundred sixty-five thousand, nine hundred forty-one".