619983829568 has 56 divisors (see below), whose sum is σ = 1296834998400. Its totient is φ = 293267685888.

The previous prime is 619983829513. The next prime is 619983829573. The reversal of 619983829568 is 865928389916.

It is a junction number, because it is equal to n+sod(n) for n = 619983829495 and 619983829504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519746 + ... + 1228862.

Almost surely, 2^619983829568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 619983829568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648417499200).

619983829568 is an abundant number, since it is smaller than the sum of its proper divisors (676851168832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

619983829568 is a wasteful number, since it uses less digits than its factorization.

619983829568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709867 (or 709857 counting only the distinct ones).

The product of its digits is 403107840, while the sum is 74.

The spelling of 619983829568 in words is "six hundred nineteen billion, nine hundred eighty-three million, eight hundred twenty-nine thousand, five hundred sixty-eight".