4139693208 has 48 divisors (see below), whose sum is σ = 12813337680. Its totient is φ = 1182769344.

The previous prime is 4139693183. The next prime is 4139693219. The reversal of 4139693208 is 8023969314.

It is a happy number.

It is a super-2 number, since 2×4139693208² = 34274119712722662528, which contains 22 as substring.

It is a congruent number.

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 in 11 ways as a sum of consecutive naturals, for example, 4106335 + ... + 4107342.

It is an arithmetic number, because the mean of its divisors is an integer number (266944535).

Almost surely, 2^4139693208 is an apocalyptic number.

It is an amenable number.

4139693208 is an abundant number, since it is smaller than the sum of its proper divisors (8673644472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4139693208 is a wasteful number, since it uses less digits than its factorization.

4139693208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8213696 (or 8213689 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 4139693208 is about 64340.4476826203. The cubic root of 4139693208 is about 1605.6691093176.

The spelling of 4139693208 in words is "four billion, one hundred thirty-nine million, six hundred ninety-three thousand, two hundred eight".