2509986487 has 2 divisors, whose sum is σ = 2509986488. Its totient is φ = 2509986486.

The previous prime is 2509986463. The next prime is 2509986529. The reversal of 2509986487 is 7846899052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2509986487 - 2¹⁹ = 2509462199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2509986407) 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, 1254993243 + 1254993244.

It is an arithmetic number, because the mean of its divisors is an integer number (1254993244).

Almost surely, 2^2509986487 is an apocalyptic number.

2509986487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2509986487 is an equidigital number, since it uses as much as digits as its factorization.

2509986487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The square root of 2509986487 is about 50099.7653387718. The cubic root of 2509986487 is about 1359.0135737402.

The spelling of 2509986487 in words is "two billion, five hundred nine million, nine hundred eighty-six thousand, four hundred eighty-seven".