68361385241 has 4 divisors (see below), whose sum is σ = 68408499984. Its totient is φ = 68314270500.

The previous prime is 68361385223. The next prime is 68361385249. The reversal of 68361385241 is 14258316386.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14258316386 = 2 ⋅7129158193.

It is a cyclic number.

It is not a de Polignac number, because 68361385241 - 2⁶ = 68361385177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68361385249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23555195 + ... + 23558096.

It is an arithmetic number, because the mean of its divisors is an integer number (17102124996).

Almost surely, 2^68361385241 is an apocalyptic number.

It is an amenable number.

68361385241 is a deficient number, since it is larger than the sum of its proper divisors (47114743).

68361385241 is a wasteful number, since it uses less digits than its factorization.

68361385241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47114742.

The product of its digits is 829440, while the sum is 47.

The spelling of 68361385241 in words is "sixty-eight billion, three hundred sixty-one million, three hundred eighty-five thousand, two hundred forty-one".