8142307851697 has 2 divisors, whose sum is σ = 8142307851698. Its totient is φ = 8142307851696.

The previous prime is 8142307851641. The next prime is 8142307851751. The reversal of 8142307851697 is 7961587032418.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7958091778081 + 184216073616 = 2821009^2 + 429204^2 .

It is a cyclic number.

It is not a de Polignac number, because 8142307851697 - 2¹¹ = 8142307849649 is a prime.

It is not a weakly prime, because it can be changed into another prime (8142307851637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4071153925848 + 4071153925849.

It is an arithmetic number, because the mean of its divisors is an integer number (4071153925849).

It is a 2-persistent number, because it is pandigital, and so is 2⋅8142307851697 = 16284615703394, but 3⋅8142307851697 = 24426923555091 is not.

Almost surely, 2^{8142307851697} is an apocalyptic number.

It is an amenable number.

8142307851697 is a deficient number, since it is larger than the sum of its proper divisors (1).

8142307851697 is an equidigital number, since it uses as much as digits as its factorization.

8142307851697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 8142307851697 in words is "eight trillion, one hundred forty-two billion, three hundred seven million, eight hundred fifty-one thousand, six hundred ninety-seven".