6913328436 has 72 divisors (see below), whose sum is σ = 20029318400. Its totient is φ = 1969551936.

The previous prime is 6913328377. The next prime is 6913328437. The reversal of 6913328436 is 6348233196.

6913328436 is a `hidden beast` number, since 69 + 133 + 28 + 436 = 666.

It is a super-2 number, since 2×6913328436² = 95588220128012412192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6913328391 and 6913328400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6913328437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48645 + ... + 127251.

Almost surely, 2^6913328436 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 6913328436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10014659200).

6913328436 is an abundant number, since it is smaller than the sum of its proper divisors (13115989964).

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

6913328436 is a wasteful number, since it uses less digits than its factorization.

6913328436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78973 (or 78968 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 6913328436 is about 83146.4276803279. The cubic root of 6913328436 is about 1905.0032893076.

The spelling of 6913328436 in words is "six billion, nine hundred thirteen million, three hundred twenty-eight thousand, four hundred thirty-six".