68428844619 has 8 divisors (see below), whose sum is σ = 91278679440. Its totient is φ = 45599119776.

The previous prime is 68428844591. The next prime is 68428844677. The reversal of 68428844619 is 91644882486.

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

It is not a de Polignac number, because 68428844619 - 2⁵ = 68428844587 is a prime.

It is a super-2 number, since 2×68428844619² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68428844819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5019552 + ... + 5033165.

It is an arithmetic number, because the mean of its divisors is an integer number (11409834930).

Almost surely, 2^68428844619 is an apocalyptic number.

68428844619 is a deficient number, since it is larger than the sum of its proper divisors (22849834821).

68428844619 is a wasteful number, since it uses less digits than its factorization.

68428844619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054989.

The product of its digits is 21233664, while the sum is 60.

The spelling of 68428844619 in words is "sixty-eight billion, four hundred twenty-eight million, eight hundred forty-four thousand, six hundred nineteen".