6671043674 has 4 divisors (see below), whose sum is σ = 10006565514. Its totient is φ = 3335521836.

The previous prime is 6671043641. The next prime is 6671043679. The reversal of 6671043674 is 4763401766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4763401766 = 2 ⋅2381700883.

It can be written as a sum of positive squares in only one way, i.e., 6468180625 + 202863049 = 80425^2 + 14243^2 .

It is not an unprimeable number, because it can be changed into a prime (6671043679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1667760917 + ... + 1667760920.

Almost surely, 2^6671043674 is an apocalyptic number.

6671043674 is a deficient number, since it is larger than the sum of its proper divisors (3335521840).

6671043674 is a wasteful number, since it uses less digits than its factorization.

6671043674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335521839.

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 6671043674 is about 81676.4572811529. The cubic root of 6671043674 is about 1882.4838598121.

The spelling of 6671043674 in words is "six billion, six hundred seventy-one million, forty-three thousand, six hundred seventy-four".