68845643201 has 8 divisors (see below), whose sum is σ = 69022606464. Its totient is φ = 68668760560.

The previous prime is 68845643179. The next prime is 68845643227. The reversal of 68845643201 is 10234654886.

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 68845643201 - 2¹⁸ = 68845381057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68845643101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1929146 + ... + 1964508.

It is an arithmetic number, because the mean of its divisors is an integer number (8627825808).

Almost surely, 2^68845643201 is an apocalyptic number.

It is an amenable number.

68845643201 is a deficient number, since it is larger than the sum of its proper divisors (176963263).

68845643201 is a wasteful number, since it uses less digits than its factorization.

68845643201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40311.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 68845643201 in words is "sixty-eight billion, eight hundred forty-five million, six hundred forty-three thousand, two hundred one".