68432170069 has 2 divisors, whose sum is σ = 68432170070. Its totient is φ = 68432170068.

The previous prime is 68432170063. The next prime is 68432170111. The reversal of 68432170069 is 96007123486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38247624900 + 30184545169 = 195570^2 + 173737^2 .

It is a cyclic number.

It is not a de Polignac number, because 68432170069 - 2⁹ = 68432169557 is a prime.

It is a super-2 number, since 2×68432170069² (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 (68432170063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34216085034 + 34216085035.

It is an arithmetic number, because the mean of its divisors is an integer number (34216085035).

Almost surely, 2^68432170069 is an apocalyptic number.

It is an amenable number.

68432170069 is a deficient number, since it is larger than the sum of its proper divisors (1).

68432170069 is an equidigital number, since it uses as much as digits as its factorization.

68432170069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 68432170069 in words is "sixty-eight billion, four hundred thirty-two million, one hundred seventy thousand, sixty-nine".