6943460128 has 72 divisors (see below), whose sum is σ = 15066816156. Its totient is φ = 3147471360.

The previous prime is 6943460113. The next prime is 6943460129. The reversal of 6943460128 is 8210643496.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6433964944 + 509495184 = 80212^2 + 22572^2 .

It is not an unprimeable number, because it can be changed into a prime (6943460129) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1534926 + ... + 1539442.

Almost surely, 2^6943460128 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 6943460128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7533408078).

6943460128 is an abundant number, since it is smaller than the sum of its proper divisors (8123356028).

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

6943460128 is a wasteful number, since it uses less digits than its factorization.

6943460128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4946 (or 4927 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 6943460128 is about 83327.4272253740. The cubic root of 6943460128 is about 1907.7669257787.

The spelling of 6943460128 in words is "six billion, nine hundred forty-three million, four hundred sixty thousand, one hundred twenty-eight".