6811376744 has 8 divisors (see below), whose sum is σ = 12771331410. Its totient is φ = 3405688368.

The previous prime is 6811376683. The next prime is 6811376749. The reversal of 6811376744 is 4476731186.

It can be written as a sum of positive squares in only one way, i.e., 6518624644 + 292752100 = 80738^2 + 17110^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (6811376749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425711039 + ... + 425711054.

Almost surely, 2^6811376744 is an apocalyptic number.

It is an amenable number.

6811376744 is a deficient number, since it is larger than the sum of its proper divisors (5959954666).

6811376744 is a wasteful number, since it uses less digits than its factorization.

6811376744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851422099 (or 851422095 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 6811376744 is about 82531.0653269422. The cubic root of 6811376744 is about 1895.5924374850.

The spelling of 6811376744 in words is "six billion, eight hundred eleven million, three hundred seventy-six thousand, seven hundred forty-four".