6675689842 has 4 divisors (see below), whose sum is σ = 10013534766. Its totient is φ = 3337844920.

The previous prime is 6675689833. The next prime is 6675689851. The reversal of 6675689842 is 2489865766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2489865766 = 2 ⋅1244932883.

It is an interprime number because it is at equal distance from previous prime (6675689833) and next prime (6675689851).

It can be written as a sum of positive squares in only one way, i.e., 6435408841 + 240281001 = 80221^2 + 15501^2 .

It is an unprimeable number.

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, 1668922459 + ... + 1668922462.

Almost surely, 2^6675689842 is an apocalyptic number.

6675689842 is a deficient number, since it is larger than the sum of its proper divisors (3337844924).

6675689842 is a wasteful number, since it uses less digits than its factorization.

6675689842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337844923.

The product of its digits is 34836480, while the sum is 61.

The square root of 6675689842 is about 81704.8948472489. The cubic root of 6675689842 is about 1882.9207882733.

The spelling of 6675689842 in words is "six billion, six hundred seventy-five million, six hundred eighty-nine thousand, eight hundred forty-two".