2289989664433 has 2 divisors, whose sum is σ = 2289989664434. Its totient is φ = 2289989664432.

The previous prime is 2289989664421. The next prime is 2289989664439. The reversal of 2289989664433 is 3344669899822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2171989170289 + 118000494144 = 1473767^2 + 343512^2 .

It is a cyclic number.

It is not a de Polignac number, because 2289989664433 - 2²¹ = 2289987567281 is a prime.

It is a super-2 number, since 2×2289989664433² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2289989664439) 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, 1144994832216 + 1144994832217.

It is an arithmetic number, because the mean of its divisors is an integer number (1144994832217).

Almost surely, 2^{2289989664433} is an apocalyptic number.

It is an amenable number.

2289989664433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289989664433 is an equidigital number, since it uses as much as digits as its factorization.

2289989664433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967458816, while the sum is 73.

The spelling of 2289989664433 in words is "two trillion, two hundred eighty-nine billion, nine hundred eighty-nine million, six hundred sixty-four thousand, four hundred thirty-three".