4139989565 has 8 divisors (see below), whose sum is σ = 4968891648. Its totient is φ = 3311388880.

The previous prime is 4139989547. The next prime is 4139989573. The reversal of 4139989565 is 5659899314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4139989565 - 2¹⁴ = 4139973181 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 43937 + ... + 101046.

It is an arithmetic number, because the mean of its divisors is an integer number (621111456).

Almost surely, 2^4139989565 is an apocalyptic number.

It is an amenable number.

4139989565 is a deficient number, since it is larger than the sum of its proper divisors (828902083).

4139989565 is a wasteful number, since it uses less digits than its factorization.

4139989565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150699.

The product of its digits is 10497600, while the sum is 59.

The square root of 4139989565 is about 64342.7506794666. The cubic root of 4139989565 is about 1605.7074245503.

The spelling of 4139989565 in words is "four billion, one hundred thirty-nine million, nine hundred eighty-nine thousand, five hundred sixty-five".