6319779136 has 56 divisors (see below), whose sum is σ = 13698992160. Its totient is φ = 2868825600.

The previous prime is 6319779131. The next prime is 6319779139.

6319779136 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6319779131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565410 + ... + 576478.

It is an arithmetic number, because the mean of its divisors is an integer number (244624860).

Almost surely, 2^6319779136 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 6319779136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6849496080).

6319779136 is an abundant number, since it is smaller than the sum of its proper divisors (7379213024).

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

6319779136 is a wasteful number, since it uses less digits than its factorization.

6319779136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11903 (or 11893 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 52.

The square root of 6319779136 is about 79497.0385360360. The cubic root of 6319779136 is about 1848.8455554731.

The spelling of 6319779136 in words is "six billion, three hundred nineteen million, seven hundred seventy-nine thousand, one hundred thirty-six".