4139983668 has 24 divisors (see below), whose sum is σ = 9759551872. Its totient is φ = 1365767424.

The previous prime is 4139983619. The next prime is 4139983717. The reversal of 4139983668 is 8663899314.

It is a happy number.

4139983668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4139983619) and next prime (4139983717).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1777180 + ... + 1779507.

Almost surely, 2^4139983668 is an apocalyptic number.

It is an amenable number.

4139983668 is an abundant number, since it is smaller than the sum of its proper divisors (5619568204).

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

4139983668 is a wasteful number, since it uses less digits than its factorization.

4139983668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556791 (or 3556789 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The square root of 4139983668 is about 64342.7048545521. The cubic root of 4139983668 is about 1605.7066621602.

The spelling of 4139983668 in words is "four billion, one hundred thirty-nine million, nine hundred eighty-three thousand, six hundred sixty-eight".