68929424171 has 16 divisors (see below), whose sum is σ = 70988904576. Its totient is φ = 66895758336.

The previous prime is 68929424149. The next prime is 68929424183. The reversal of 68929424171 is 17142492986.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68929424171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68929424111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6285425 + ... + 6296381.

It is an arithmetic number, because the mean of its divisors is an integer number (4436806536).

Almost surely, 2^68929424171 is an apocalyptic number.

68929424171 is a deficient number, since it is larger than the sum of its proper divisors (2059480405).

68929424171 is a wasteful number, since it uses less digits than its factorization.

68929424171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12118.

The product of its digits is 1741824, while the sum is 53.

The spelling of 68929424171 in words is "sixty-eight billion, nine hundred twenty-nine million, four hundred twenty-four thousand, one hundred seventy-one".