8125863698699 has 2 divisors, whose sum is σ = 8125863698700. Its totient is φ = 8125863698698.

The previous prime is 8125863698683. The next prime is 8125863698707. The reversal of 8125863698699 is 9968963685218.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8125863698699 - 2⁴ = 8125863698683 is a prime.

It is not a weakly prime, because it can be changed into another prime (8125863698669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062931849349 + 4062931849350.

It is an arithmetic number, because the mean of its divisors is an integer number (4062931849350).

Almost surely, 2^{8125863698699} is an apocalyptic number.

8125863698699 is a deficient number, since it is larger than the sum of its proper divisors (1).

8125863698699 is an equidigital number, since it uses as much as digits as its factorization.

8125863698699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2418647040, while the sum is 80.

The spelling of 8125863698699 in words is "eight trillion, one hundred twenty-five billion, eight hundred sixty-three million, six hundred ninety-eight thousand, six hundred ninety-nine".