4138689659 has 16 divisors (see below), whose sum is σ = 4551019200. Its totient is φ = 3740622336.

The previous prime is 4138689647. The next prime is 4138689677. The reversal of 4138689659 is 9569868314.

4138689659 = T₂₄₀ + T₂₄₁ + ... + T₂₉₁₇.

It is a cyclic number.

It is not a de Polignac number, because 4138689659 - 2¹⁶ = 4138624123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4138689598 and 4138689607.

It is not an unprimeable number, because it can be changed into a prime (4138689619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101807 + ... + 136535.

It is an arithmetic number, because the mean of its divisors is an integer number (284438700).

Almost surely, 2^4138689659 is an apocalyptic number.

4138689659 is a deficient number, since it is larger than the sum of its proper divisors (412329541).

4138689659 is a wasteful number, since it uses less digits than its factorization.

4138689659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34934.

The product of its digits is 11197440, while the sum is 59.

The square root of 4138689659 is about 64332.6484687208. The cubic root of 4138689659 is about 1605.5393494719.

The spelling of 4138689659 in words is "four billion, one hundred thirty-eight million, six hundred eighty-nine thousand, six hundred fifty-nine".