2589440429 has 2 divisors, whose sum is σ = 2589440430. Its totient is φ = 2589440428.

The previous prime is 2589440417. The next prime is 2589440431. The reversal of 2589440429 is 9240449852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1568318404 + 1021122025 = 39602^2 + 31955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2589440429 is a prime.

Together with 2589440431, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2589440489) 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, 1294720214 + 1294720215.

It is an arithmetic number, because the mean of its divisors is an integer number (1294720215).

Almost surely, 2^2589440429 is an apocalyptic number.

It is an amenable number.

2589440429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2589440429 is an equidigital number, since it uses as much as digits as its factorization.

2589440429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 2589440429 is about 50886.5446753855. The cubic root of 2589440429 is about 1373.2047851461.

The spelling of 2589440429 in words is "two billion, five hundred eighty-nine million, four hundred forty thousand, four hundred twenty-nine".