68353594169 has 16 divisors (see below), whose sum is σ = 84949100928. Its totient is φ = 53652056832.

The previous prime is 68353594147. The next prime is 68353594171. The reversal of 68353594169 is 96149535386.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 68353594169 - 2¹² = 68353590073 is a prime.

It is a super-2 number, since 2×68353594169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68353594109) 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 in 15 ways as a sum of consecutive naturals, for example, 7757759 + ... + 7766564.

It is an arithmetic number, because the mean of its divisors is an integer number (5309318808).

Almost surely, 2^68353594169 is an apocalyptic number.

It is an amenable number.

68353594169 is a deficient number, since it is larger than the sum of its proper divisors (16595506759).

68353594169 is a wasteful number, since it uses less digits than its factorization.

68353594169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15524384.

The product of its digits is 20995200, while the sum is 59.

The spelling of 68353594169 in words is "sixty-eight billion, three hundred fifty-three million, five hundred ninety-four thousand, one hundred sixty-nine".