4239616895089 has 3 divisors (see below), whose sum is σ = 4239618954123. Its totient is φ = 4239614836056.

The previous prime is 4239616895081. The next prime is 4239616895117. The reversal of 4239616895089 is 9805986169324.

The square root of 4239616895089 is 2059033.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5043130225 + 4234573764864 = 71015^2 + 2057808^2 .

It is not a de Polignac number, because 4239616895089 - 2³ = 4239616895081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4239616895081) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1029517 + ... + 3088549.

It is an arithmetic number, because the mean of its divisors is an integer number (1413206318041).

Almost surely, 2^{4239616895089} is an apocalyptic number.

4239616895089 is the 2059033-rd square number.

4239616895089 is the 1029517-th centered octagonal number.

It is an amenable number.

4239616895089 is a deficient number, since it is larger than the sum of its proper divisors (2059034).

4239616895089 is an frugal number, since it uses more digits than its factorization.

4239616895089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118066 (or 2059033 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 70.

The spelling of 4239616895089 in words is "four trillion, two hundred thirty-nine billion, six hundred sixteen million, eight hundred ninety-five thousand, eighty-nine".