4128518869 has 16 divisors (see below), whose sum is σ = 4285416960. Its totient is φ = 3974797440.

The previous prime is 4128518839. The next prime is 4128518887. The reversal of 4128518869 is 9688158214.

It is a happy number.

4128518869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4128518869 - 2⁷ = 4128518741 is a prime.

It is a super-2 number, since 2×4128518869² = 34089336103378078322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128518809) 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, 1504839 + ... + 1507579.

It is an arithmetic number, because the mean of its divisors is an integer number (267838560).

Almost surely, 2^4128518869 is an apocalyptic number.

It is an amenable number.

4128518869 is a deficient number, since it is larger than the sum of its proper divisors (156898091).

4128518869 is a wasteful number, since it uses less digits than its factorization.

4128518869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300.

The product of its digits is 1105920, while the sum is 52.

The square root of 4128518869 is about 64253.5514115757. The cubic root of 4128518869 is about 1604.2230714697.

The spelling of 4128518869 in words is "four billion, one hundred twenty-eight million, five hundred eighteen thousand, eight hundred sixty-nine".