68311414917 has 12 divisors (see below), whose sum is σ = 99188653824. Its totient is φ = 45302507880.

The previous prime is 68311414901. The next prime is 68311414981. The reversal of 68311414917 is 71941411386.

It is not a de Polignac number, because 68311414917 - 2⁴ = 68311414901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68311413917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19867803 + ... + 19871240.

It is an arithmetic number, because the mean of its divisors is an integer number (8265721152).

Almost surely, 2^68311414917 is an apocalyptic number.

It is an amenable number.

68311414917 is a deficient number, since it is larger than the sum of its proper divisors (30877238907).

68311414917 is a wasteful number, since it uses less digits than its factorization.

68311414917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39739240 (or 39739237 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The spelling of 68311414917 in words is "sixty-eight billion, three hundred eleven million, four hundred fourteen thousand, nine hundred seventeen".