68759852851 has 2 divisors, whose sum is σ = 68759852852. Its totient is φ = 68759852850.

The previous prime is 68759852807. The next prime is 68759852857. The reversal of 68759852851 is 15825895786.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68759852851 is a prime.

It is not a weakly prime, because it can be changed into another prime (68759852857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34379926425 + 34379926426.

It is an arithmetic number, because the mean of its divisors is an integer number (34379926426).

Almost surely, 2^68759852851 is an apocalyptic number.

68759852851 is a deficient number, since it is larger than the sum of its proper divisors (1).

68759852851 is an equidigital number, since it uses as much as digits as its factorization.

68759852851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384000, while the sum is 64.

The spelling of 68759852851 in words is "sixty-eight billion, seven hundred fifty-nine million, eight hundred fifty-two thousand, eight hundred fifty-one".