2164642433 has 2 divisors, whose sum is σ = 2164642434. Its totient is φ = 2164642432.

The previous prime is 2164642427. The next prime is 2164642439. The reversal of 2164642433 is 3342464612.

It is a balanced prime because it is at equal distance from previous prime (2164642427) and next prime (2164642439).

It can be written as a sum of positive squares in only one way, i.e., 2124103744 + 40538689 = 46088^2 + 6367^2 .

It is a cyclic number.

It is not a de Polignac number, because 2164642433 - 2⁶ = 2164642369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2164642393 and 2164642402.

It is not a weakly prime, because it can be changed into another prime (2164642439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082321216 + 1082321217.

It is an arithmetic number, because the mean of its divisors is an integer number (1082321217).

Almost surely, 2^2164642433 is an apocalyptic number.

It is an amenable number.

2164642433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164642433 is an equidigital number, since it uses as much as digits as its factorization.

2164642433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 35.

The square root of 2164642433 is about 46525.7179740410. The cubic root of 2164642433 is about 1293.5862456574.

The spelling of 2164642433 in words is "two billion, one hundred sixty-four million, six hundred forty-two thousand, four hundred thirty-three".