68429195691 has 8 divisors (see below), whose sum is σ = 91276592640. Its totient is φ = 45600631272.

The previous prime is 68429195687. The next prime is 68429195711. The reversal of 68429195691 is 19659192486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68429195691 - 2² = 68429195687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68429195621) 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 7 ways as a sum of consecutive naturals, for example, 4699651 + ... + 4714188.

It is an arithmetic number, because the mean of its divisors is an integer number (11409574080).

Almost surely, 2^68429195691 is an apocalyptic number.

68429195691 is a deficient number, since it is larger than the sum of its proper divisors (22847396949).

68429195691 is a wasteful number, since it uses less digits than its factorization.

68429195691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9416265.

The product of its digits is 8398080, while the sum is 60.

The spelling of 68429195691 in words is "sixty-eight billion, four hundred twenty-nine million, one hundred ninety-five thousand, six hundred ninety-one".