68633514805 has 8 divisors (see below), whose sum is σ = 82461776544. Its totient is φ = 54839106000.

The previous prime is 68633514791. The next prime is 68633514821. The reversal of 68633514805 is 50841533686.

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

It is not a de Polignac number, because 68633514805 - 2⁵ = 68633514773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8458771 + ... + 8466880.

It is an arithmetic number, because the mean of its divisors is an integer number (10307722068).

Almost surely, 2^68633514805 is an apocalyptic number.

It is an amenable number.

68633514805 is a deficient number, since it is larger than the sum of its proper divisors (13828261739).

68633514805 is a wasteful number, since it uses less digits than its factorization.

68633514805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16926467.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 68633514805 in words is "sixty-eight billion, six hundred thirty-three million, five hundred fourteen thousand, eight hundred five".