68753753851 has 2 divisors, whose sum is σ = 68753753852. Its totient is φ = 68753753850.

The previous prime is 68753753833. The next prime is 68753753903. The reversal of 68753753851 is 15835735786.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68753753851 - 2¹⁷ = 68753622779 is a prime.

It is not a weakly prime, because it can be changed into another prime (68753753351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34376876925 + 34376876926.

It is an arithmetic number, because the mean of its divisors is an integer number (34376876926).

Almost surely, 2^68753753851 is an apocalyptic number.

68753753851 is a deficient number, since it is larger than the sum of its proper divisors (1).

68753753851 is an equidigital number, since it uses as much as digits as its factorization.

68753753851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168000, while the sum is 58.

The spelling of 68753753851 in words is "sixty-eight billion, seven hundred fifty-three million, seven hundred fifty-three thousand, eight hundred fifty-one".