68089664801 has 4 divisors (see below), whose sum is σ = 68143748400. Its totient is φ = 68035581204.

The previous prime is 68089664791. The next prime is 68089664803. The reversal of 68089664801 is 10846698086.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68089664801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68089664803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27039911 + ... + 27042428.

It is an arithmetic number, because the mean of its divisors is an integer number (17035937100).

Almost surely, 2^68089664801 is an apocalyptic number.

It is an amenable number.

68089664801 is a deficient number, since it is larger than the sum of its proper divisors (54083599).

68089664801 is a wasteful number, since it uses less digits than its factorization.

68089664801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54083598.

The product of its (nonzero) digits is 3981312, while the sum is 56.

The spelling of 68089664801 in words is "sixty-eight billion, eighty-nine million, six hundred sixty-four thousand, eight hundred one".