6798641544 has 24 divisors (see below), whose sum is σ = 18412987710. Its totient is φ = 2266213824.

The previous prime is 6798641543. The next prime is 6798641639. The reversal of 6798641544 is 4451468976.

6798641544 is a `hidden beast` number, since 6 + 7 + 98 + 6 + 4 + 1 + 544 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4537639044 + 2261002500 = 67362^2 + 47550^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (6798641543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47212717 + ... + 47212860.

Almost surely, 2^6798641544 is an apocalyptic number.

It is an amenable number.

6798641544 is an abundant number, since it is smaller than the sum of its proper divisors (11614346166).

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

6798641544 is a wasteful number, since it uses less digits than its factorization.

6798641544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94425589 (or 94425582 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 6798641544 is about 82453.8752515611. The cubic root of 6798641544 is about 1894.4103069286.

The spelling of 6798641544 in words is "six billion, seven hundred ninety-eight million, six hundred forty-one thousand, five hundred forty-four".