6774439066 has 16 divisors (see below), whose sum is σ = 10335364200. Its totient is φ = 3329786880.

The previous prime is 6774439057. The next prime is 6774439069. The reversal of 6774439066 is 6609344776.

It can be written as a sum of positive squares in 4 ways, for example, as 5251176225 + 1523262841 = 72465^2 + 39029^2 .

It is not an unprimeable number, because it can be changed into a prime (6774439069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88275 + ... + 146086.

Almost surely, 2^6774439066 is an apocalyptic number.

6774439066 is a deficient number, since it is larger than the sum of its proper divisors (3560925134).

6774439066 is a wasteful number, since it uses less digits than its factorization.

6774439066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234609.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The square root of 6774439066 is about 82306.9806638538. The cubic root of 6774439066 is about 1892.1596642683.

The spelling of 6774439066 in words is "six billion, seven hundred seventy-four million, four hundred thirty-nine thousand, sixty-six".