2558389487 has 2 divisors, whose sum is σ = 2558389488. Its totient is φ = 2558389486.

The previous prime is 2558389441. The next prime is 2558389507. The reversal of 2558389487 is 7849838552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2558389487 - 2⁶ = 2558389423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2558389187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279194743 + 1279194744.

It is an arithmetic number, because the mean of its divisors is an integer number (1279194744).

Almost surely, 2^2558389487 is an apocalyptic number.

2558389487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2558389487 is an equidigital number, since it uses as much as digits as its factorization.

2558389487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19353600, while the sum is 59.

The square root of 2558389487 is about 50580.5247798004. The cubic root of 2558389487 is about 1367.6938285704.

The spelling of 2558389487 in words is "two billion, five hundred fifty-eight million, three hundred eighty-nine thousand, four hundred eighty-seven".