4138642683 has 24 divisors (see below), whose sum is σ = 6847308000. Its totient is φ = 2359655424.

The previous prime is 4138642679. The next prime is 4138642699. The reversal of 4138642683 is 3862468314.

4138642683 is a `hidden beast` number, since 4 + 1 + 386 + 4 + 268 + 3 = 666.

It is not a de Polignac number, because 4138642683 - 2² = 4138642679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4138642603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44868 + ... + 101441.

It is an arithmetic number, because the mean of its divisors is an integer number (285304500).

Almost surely, 2^4138642683 is an apocalyptic number.

4138642683 is a deficient number, since it is larger than the sum of its proper divisors (2708665317).

4138642683 is a wasteful number, since it uses less digits than its factorization.

4138642683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146771 (or 146768 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 4138642683 is about 64332.2833653524. The cubic root of 4138642683 is about 1605.5332749162.

The spelling of 4138642683 in words is "four billion, one hundred thirty-eight million, six hundred forty-two thousand, six hundred eighty-three".