8258258249999 has 2 divisors, whose sum is σ = 8258258250000. Its totient is φ = 8258258249998.

The previous prime is 8258258249953. The next prime is 8258258250001. The reversal of 8258258249999 is 9999428528528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8258258249999 - 2³² = 8253963282703 is a prime.

Together with 8258258250001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8258258249909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4129129124999 + 4129129125000.

It is an arithmetic number, because the mean of its divisors is an integer number (4129129125000).

Almost surely, 2^{8258258249999} is an apocalyptic number.

8258258249999 is a deficient number, since it is larger than the sum of its proper divisors (1).

8258258249999 is an equidigital number, since it uses as much as digits as its factorization.

8258258249999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2687385600, while the sum is 80.

The spelling of 8258258249999 in words is "eight trillion, two hundred fifty-eight billion, two hundred fifty-eight million, two hundred forty-nine thousand, nine hundred ninety-nine".