6674418869 has 4 divisors (see below), whose sum is σ = 6675926220. Its totient is φ = 6672911520.

The previous prime is 6674418853. The next prime is 6674418871. The reversal of 6674418869 is 9688144766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9688144766 = 2 ⋅4844072383.

It can be written as a sum of positive squares in 2 ways, for example, as 4473870769 + 2200548100 = 66887^2 + 46910^2 .

It is a cyclic number.

It is not a de Polignac number, because 6674418869 - 2⁴ = 6674418853 is a prime.

It is a super-2 number, since 2×6674418869² = 89095734477726478322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6674418889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747014 + ... + 755895.

It is an arithmetic number, because the mean of its divisors is an integer number (1668981555).

Almost surely, 2^6674418869 is an apocalyptic number.

It is an amenable number.

6674418869 is a deficient number, since it is larger than the sum of its proper divisors (1507351).

6674418869 is a wasteful number, since it uses less digits than its factorization.

6674418869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507350.

The product of its digits is 13934592, while the sum is 59.

The square root of 6674418869 is about 81697.1166504669. The cubic root of 6674418869 is about 1882.8012853489.

The spelling of 6674418869 in words is "six billion, six hundred seventy-four million, four hundred eighteen thousand, eight hundred sixty-nine".