68385385219 has 8 divisors (see below), whose sum is σ = 72244493840. Its totient is φ = 64552264416.

The previous prime is 68385385213. The next prime is 68385385231. The reversal of 68385385219 is 91258358386.

68385385219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 68385385219 - 2⁷ = 68385385091 is a prime.

It is a super-2 number, since 2×68385385219² (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 (68385385213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6491544 + ... + 6502069.

It is an arithmetic number, because the mean of its divisors is an integer number (9030561730).

Almost surely, 2^68385385219 is an apocalyptic number.

68385385219 is a deficient number, since it is larger than the sum of its proper divisors (3859108621).

68385385219 is a wasteful number, since it uses less digits than its factorization.

68385385219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12993909.

The product of its digits is 12441600, while the sum is 58.

The spelling of 68385385219 in words is "sixty-eight billion, three hundred eighty-five million, three hundred eighty-five thousand, two hundred nineteen".