2509274489 has 2 divisors, whose sum is σ = 2509274490. Its totient is φ = 2509274488.

The previous prime is 2509274431. The next prime is 2509274507. The reversal of 2509274489 is 9844729052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2370034489 + 139240000 = 48683^2 + 11800^2 .

It is a cyclic number.

It is not a de Polignac number, because 2509274489 - 2²⁰ = 2508225913 is a prime.

It is a super-2 number, since 2×2509274489² = 12592916922292422242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2509274389) 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, 1254637244 + 1254637245.

It is an arithmetic number, because the mean of its divisors is an integer number (1254637245).

Almost surely, 2^2509274489 is an apocalyptic number.

It is an amenable number.

2509274489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2509274489 is an equidigital number, since it uses as much as digits as its factorization.

2509274489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 2509274489 is about 50092.6590330360. The cubic root of 2509274489 is about 1358.8850595750.

The spelling of 2509274489 in words is "two billion, five hundred nine million, two hundred seventy-four thousand, four hundred eighty-nine".