68419388071 has 2 divisors, whose sum is σ = 68419388072. Its totient is φ = 68419388070.

The previous prime is 68419388039. The next prime is 68419388119. The reversal of 68419388071 is 17088391486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68419388071 - 2⁵ = 68419388039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68419388021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34209694035 + 34209694036.

It is an arithmetic number, because the mean of its divisors is an integer number (34209694036).

Almost surely, 2^68419388071 is an apocalyptic number.

68419388071 is a deficient number, since it is larger than the sum of its proper divisors (1).

68419388071 is an equidigital number, since it uses as much as digits as its factorization.

68419388071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 55.

It can be divided in two parts, 68419 and 388071, that added together give a triangular number (456490 = T₉₅₅).

The spelling of 68419388071 in words is "sixty-eight billion, four hundred nineteen million, three hundred eighty-eight thousand, seventy-one".