4539789709 has 24 divisors (see below), whose sum is σ = 5624875392. Its totient is φ = 3587613120.

The previous prime is 4539789689. The next prime is 4539789721. The reversal of 4539789709 is 9079879354.

It is a Wieferich number.

It is not a de Polignac number, because 4539789709 - 2¹⁵ = 4539756941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539789509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1291264 + ... + 1294774.

It is an arithmetic number, because the mean of its divisors is an integer number (234369808).

Almost surely, 2^4539789709 is an apocalyptic number.

It is an amenable number.

4539789709 is a deficient number, since it is larger than the sum of its proper divisors (1085085683).

4539789709 is a wasteful number, since it uses less digits than its factorization.

4539789709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4637 (or 4624 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 61.

The square root of 4539789709 is about 67377.9615972463. The cubic root of 4539789709 is about 1655.8153792573.

The spelling of 4539789709 in words is "four billion, five hundred thirty-nine million, seven hundred eighty-nine thousand, seven hundred nine".