2163694033 has 2 divisors, whose sum is σ = 2163694034. Its totient is φ = 2163694032.

The previous prime is 2163693997. The next prime is 2163694063. The reversal of 2163694033 is 3304963612.

2163694033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1105363009 + 1058331024 = 33247^2 + 32532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2163694033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2163693983 and 2163694001.

It is not a weakly prime, because it can be changed into another prime (2163694063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081847016 + 1081847017.

It is an arithmetic number, because the mean of its divisors is an integer number (1081847017).

Almost surely, 2^2163694033 is an apocalyptic number.

It is an amenable number.

2163694033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163694033 is an equidigital number, since it uses as much as digits as its factorization.

2163694033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 37.

The square root of 2163694033 is about 46515.5246450043. The cubic root of 2163694033 is about 1293.3972973747.

The spelling of 2163694033 in words is "two billion, one hundred sixty-three million, six hundred ninety-four thousand, thirty-three".