67368194242969 has 9 divisors (see below), whose sum is σ = 68330997186069. Its totient is φ = 66418771889820.

The previous prime is 67368194242967. The next prime is 67368194242991. The reversal of 67368194242969 is 96924249186376.

The square root of 67368194242969 is 8207813.

It is a perfect power (a square), and thus also a powerful number.

67368194242969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 67368194242969 - 2¹ = 67368194242967 is a prime.

It is a super-2 number, since 2×67368194242969² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67368194242895 and 67368194242904.

It is not an unprimeable number, because it can be changed into a prime (67368194242967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 582696922 + ... + 582812524.

Almost surely, 2^{67368194242969} is an apocalyptic number.

67368194242969 is the 8207813-rd square number.

67368194242969 is the 4103907-th centered octagonal number.

It is an amenable number.

67368194242969 is a deficient number, since it is larger than the sum of its proper divisors (962802943100).

67368194242969 is an frugal number, since it uses more digits than its factorization.

67368194242969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231348 (or 115674 counting only the distinct ones).

The product of its digits is 1693052928, while the sum is 76.

The spelling of 67368194242969 in words is "sixty-seven trillion, three hundred sixty-eight billion, one hundred ninety-four million, two hundred forty-two thousand, nine hundred sixty-nine".