68843219524646 has 8 divisors (see below), whose sum is σ = 118016947756560. Its totient is φ = 29504236939128.

The previous prime is 68843219524627. The next prime is 68843219524649. The reversal of 68843219524646 is 64642591234886.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68843219524649) 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, 2458686411581 + ... + 2458686411608.

It is an arithmetic number, because the mean of its divisors is an integer number (14752118469570).

Almost surely, 2^{68843219524646} is an apocalyptic number.

68843219524646 is a deficient number, since it is larger than the sum of its proper divisors (49173728231914).

68843219524646 is a wasteful number, since it uses less digits than its factorization.

68843219524646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4917372823198.

The product of its digits is 477757440, while the sum is 68.

The spelling of 68843219524646 in words is "sixty-eight trillion, eight hundred forty-three billion, two hundred nineteen million, five hundred twenty-four thousand, six hundred forty-six".