6811380068 has 6 divisors (see below), whose sum is σ = 11919915126. Its totient is φ = 3405690032.

The previous prime is 6811380067. The next prime is 6811380073. The reversal of 6811380068 is 8600831186.

It can be written as a sum of positive squares in only one way, i.e., 6678485284 + 132894784 = 81722^2 + 11528^2 .

It is not an unprimeable number, because it can be changed into a prime (6811380067) 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, 851422505 + ... + 851422512.

It is an arithmetic number, because the mean of its divisors is an integer number (1986652521).

Almost surely, 2^6811380068 is an apocalyptic number.

It is an amenable number.

6811380068 is a deficient number, since it is larger than the sum of its proper divisors (5108535058).

6811380068 is a wasteful number, since it uses less digits than its factorization.

6811380068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702845021 (or 1702845019 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 6811380068 is about 82531.0854648114. The cubic root of 6811380068 is about 1895.5927458391.

The spelling of 6811380068 in words is "six billion, eight hundred eleven million, three hundred eighty thousand, sixty-eight".