2289993427 has 2 divisors, whose sum is σ = 2289993428. Its totient is φ = 2289993426.

The previous prime is 2289993401. The next prime is 2289993457. The reversal of 2289993427 is 7243999822.

2289993427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2289993427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2289993457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1144996713 + 1144996714.

It is an arithmetic number, because the mean of its divisors is an integer number (1144996714).

Almost surely, 2^2289993427 is an apocalyptic number.

2289993427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2289993427 is an equidigital number, since it uses as much as digits as its factorization.

2289993427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 55.

The square root of 2289993427 is about 47853.8757782481. The cubic root of 2289993427 is about 1318.0890290809.

The spelling of 2289993427 in words is "two billion, two hundred eighty-nine million, nine hundred ninety-three thousand, four hundred twenty-seven".