2133219689 has 2 divisors, whose sum is σ = 2133219690. Its totient is φ = 2133219688.

The previous prime is 2133219679. The next prime is 2133219727. The reversal of 2133219689 is 9869123312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2127054400 + 6165289 = 46120^2 + 2483^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133219689 - 2²⁴ = 2116442473 is a prime.

It is not a weakly prime, because it can be changed into another prime (2133219659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066609844 + 1066609845.

It is an arithmetic number, because the mean of its divisors is an integer number (1066609845).

Almost surely, 2^2133219689 is an apocalyptic number.

It is an amenable number.

2133219689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133219689 is an equidigital number, since it uses as much as digits as its factorization.

2133219689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 44.

The square root of 2133219689 is about 46186.7912827899. The cubic root of 2133219689 is about 1287.2963202355.

The spelling of 2133219689 in words is "two billion, one hundred thirty-three million, two hundred nineteen thousand, six hundred eighty-nine".