68647397241 has 8 divisors (see below), whose sum is σ = 94686065280. Its totient is φ = 44186830352.

The previous prime is 68647397237. The next prime is 68647397243. The reversal of 68647397241 is 14279374686.

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 68647397241 - 2² = 68647397237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68647397243) 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, 394525185 + ... + 394525358.

It is an arithmetic number, because the mean of its divisors is an integer number (11835758160).

Almost surely, 2^68647397241 is an apocalyptic number.

It is an amenable number.

68647397241 is a deficient number, since it is larger than the sum of its proper divisors (26038668039).

68647397241 is a wasteful number, since it uses less digits than its factorization.

68647397241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789050575.

The product of its digits is 12192768, while the sum is 57.

The spelling of 68647397241 in words is "sixty-eight billion, six hundred forty-seven million, three hundred ninety-seven thousand, two hundred forty-one".