2500255240489 has 2 divisors, whose sum is σ = 2500255240490. Its totient is φ = 2500255240488.

The previous prime is 2500255240459. The next prime is 2500255240583. The reversal of 2500255240489 is 9840425520052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2424896755264 + 75358485225 = 1557208^2 + 274515^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500255240489 - 2⁷ = 2500255240361 is a prime.

It is not a weakly prime, because it can be changed into another prime (2500255240459) 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, 1250127620244 + 1250127620245.

It is an arithmetic number, because the mean of its divisors is an integer number (1250127620245).

Almost surely, 2^{2500255240489} is an apocalyptic number.

It is an amenable number.

2500255240489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500255240489 is an equidigital number, since it uses as much as digits as its factorization.

2500255240489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152000, while the sum is 46.

The spelling of 2500255240489 in words is "two trillion, five hundred billion, two hundred fifty-five million, two hundred forty thousand, four hundred eighty-nine".