68685658703 has 2 divisors, whose sum is σ = 68685658704. Its totient is φ = 68685658702.

The previous prime is 68685658607. The next prime is 68685658721. The reversal of 68685658703 is 30785658686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68685658703 - 2¹⁶ = 68685593167 is a prime.

It is a super-2 number, since 2×68685658703² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68685658753) 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, 34342829351 + 34342829352.

It is an arithmetic number, because the mean of its divisors is an integer number (34342829352).

Almost surely, 2^68685658703 is an apocalyptic number.

68685658703 is a deficient number, since it is larger than the sum of its proper divisors (1).

68685658703 is an equidigital number, since it uses as much as digits as its factorization.

68685658703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 68685658703 in words is "sixty-eight billion, six hundred eighty-five million, six hundred fifty-eight thousand, seven hundred three".