68081963527 has 2 divisors, whose sum is σ = 68081963528. Its totient is φ = 68081963526.

The previous prime is 68081963513. The next prime is 68081963549. The reversal of 68081963527 is 72536918086.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68081963527 - 2¹⁵ = 68081930759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68081963507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34040981763 + 34040981764.

It is an arithmetic number, because the mean of its divisors is an integer number (34040981764).

Almost surely, 2^68081963527 is an apocalyptic number.

68081963527 is a deficient number, since it is larger than the sum of its proper divisors (1).

68081963527 is an equidigital number, since it uses as much as digits as its factorization.

68081963527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 68081963527 in words is "sixty-eight billion, eighty-one million, nine hundred sixty-three thousand, five hundred twenty-seven".