68065793149 has 8 divisors (see below), whose sum is σ = 69223573440. Its totient is φ = 66908150400.

The previous prime is 68065793141. The next prime is 68065793171. The reversal of 68065793149 is 94139756086.

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

It is a cyclic number.

It is not a de Polignac number, because 68065793149 - 2³ = 68065793141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68065793093 and 68065793102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68065793141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1702509 + ... + 1742029.

It is an arithmetic number, because the mean of its divisors is an integer number (8652946680).

Almost surely, 2^68065793149 is an apocalyptic number.

It is an amenable number.

68065793149 is a deficient number, since it is larger than the sum of its proper divisors (1157780291).

68065793149 is a wasteful number, since it uses less digits than its factorization.

68065793149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68771.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 68065793149 in words is "sixty-eight billion, sixty-five million, seven hundred ninety-three thousand, one hundred forty-nine".