68756250751 has 2 divisors, whose sum is σ = 68756250752. Its totient is φ = 68756250750.

The previous prime is 68756250749. The next prime is 68756250757. The reversal of 68756250751 is 15705265786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68756250751 - 2¹ = 68756250749 is a prime.

Together with 68756250749, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68756250757) 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, 34378125375 + 34378125376.

It is an arithmetic number, because the mean of its divisors is an integer number (34378125376).

Almost surely, 2^68756250751 is an apocalyptic number.

68756250751 is a deficient number, since it is larger than the sum of its proper divisors (1).

68756250751 is an equidigital number, since it uses as much as digits as its factorization.

68756250751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 68756250751 in words is "sixty-eight billion, seven hundred fifty-six million, two hundred fifty thousand, seven hundred fifty-one".