3999305589 has 16 divisors (see below), whose sum is σ = 5359088064. Its totient is φ = 2652883200.

The previous prime is 3999305561. The next prime is 3999305621. The reversal of 3999305589 is 9855039993.

It is not a de Polignac number, because 3999305589 - 2⁸ = 3999305333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3999305689) 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, 1685574 + ... + 1687944.

It is an arithmetic number, because the mean of its divisors is an integer number (334943004).

Almost surely, 2^3999305589 is an apocalyptic number.

It is an amenable number.

3999305589 is a deficient number, since it is larger than the sum of its proper divisors (1359782475).

3999305589 is a wasteful number, since it uses less digits than its factorization.

3999305589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4948.

The product of its (nonzero) digits is 11809800, while the sum is 60.

The square root of 3999305589 is about 63240.0631641051. The cubic root of 3999305589 is about 1587.3091875894.

The spelling of 3999305589 in words is "three billion, nine hundred ninety-nine million, three hundred five thousand, five hundred eighty-nine".