68405622229 has 8 divisors (see below), whose sum is σ = 78587163648. Its totient is φ = 58326408240.

The previous prime is 68405622203. The next prime is 68405622239. The reversal of 68405622229 is 92222650486.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68405622229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68405622239) 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, 25580422 + ... + 25583095.

It is an arithmetic number, because the mean of its divisors is an integer number (9823395456).

Almost surely, 2^68405622229 is an apocalyptic number.

It is an amenable number.

68405622229 is a deficient number, since it is larger than the sum of its proper divisors (10181541419).

68405622229 is a wasteful number, since it uses less digits than its factorization.

68405622229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51163715.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 68405622229 in words is "sixty-eight billion, four hundred five million, six hundred twenty-two thousand, two hundred twenty-nine".