2509124489 has 2 divisors, whose sum is σ = 2509124490. Its totient is φ = 2509124488.

The previous prime is 2509124461. The next prime is 2509124491. The reversal of 2509124489 is 9844219052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1288810000 + 1220314489 = 35900^2 + 34933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2509124489 is a prime.

It is a super-2 number, since 2×2509124489² = 12591411402599022242, which contains 22 as substring.

Together with 2509124491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2509124419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1254562244 + 1254562245.

It is an arithmetic number, because the mean of its divisors is an integer number (1254562245).

Almost surely, 2^2509124489 is an apocalyptic number.

It is an amenable number.

2509124489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2509124489 is an equidigital number, since it uses as much as digits as its factorization.

2509124489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 2509124489 is about 50091.1617852890. The cubic root of 2509124489 is about 1358.8579817854.

The spelling of 2509124489 in words is "two billion, five hundred nine million, one hundred twenty-four thousand, four hundred eighty-nine".