2289949289 has 2 divisors, whose sum is σ = 2289949290. Its totient is φ = 2289949288.

The previous prime is 2289949267. The next prime is 2289949303. The reversal of 2289949289 is 9829499822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2288665600 + 1283689 = 47840^2 + 1133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2289949289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2289949789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144974644 + 1144974645.

It is an arithmetic number, because the mean of its divisors is an integer number (1144974645).

Almost surely, 2^2289949289 is an apocalyptic number.

It is an amenable number.

2289949289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289949289 is an equidigital number, since it uses as much as digits as its factorization.

2289949289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13436928, while the sum is 62.

The square root of 2289949289 is about 47853.4146012591. The cubic root of 2289949289 is about 1318.0805606159.

The spelling of 2289949289 in words is "two billion, two hundred eighty-nine million, nine hundred forty-nine thousand, two hundred eighty-nine".