2600026489 has 2 divisors, whose sum is σ = 2600026490. Its totient is φ = 2600026488.

The previous prime is 2600026487. The next prime is 2600026531. The reversal of 2600026489 is 9846200062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2372469264 + 227557225 = 48708^2 + 15085^2 .

It is a cyclic number.

It is not a de Polignac number, because 2600026489 - 2¹ = 2600026487 is a prime.

Together with 2600026487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2600026483) 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, 1300013244 + 1300013245.

It is an arithmetic number, because the mean of its divisors is an integer number (1300013245).

Almost surely, 2^2600026489 is an apocalyptic number.

It is an amenable number.

2600026489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2600026489 is an equidigital number, since it uses as much as digits as its factorization.

2600026489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 2600026489 is about 50990.4548812815. The cubic root of 2600026489 is about 1375.0735368274.

The spelling of 2600026489 in words is "two billion, six hundred million, twenty-six thousand, four hundred eighty-nine".