68056375219 has 4 divisors (see below), whose sum is σ = 77778714544. Its totient is φ = 58334035896.

The previous prime is 68056375217. The next prime is 68056375223. The reversal of 68056375219 is 91257365086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68056375219 - 2¹ = 68056375217 is a prime.

It is a super-2 number, since 2×68056375219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68056375217) 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, 4861169652 + ... + 4861169665.

It is an arithmetic number, because the mean of its divisors is an integer number (19444678636).

Almost surely, 2^68056375219 is an apocalyptic number.

68056375219 is a deficient number, since it is larger than the sum of its proper divisors (9722339325).

68056375219 is an equidigital number, since it uses as much as digits as its factorization.

68056375219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9722339324.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 68056375219 in words is "sixty-eight billion, fifty-six million, three hundred seventy-five thousand, two hundred nineteen".