34503579839 has 4 divisors (see below), whose sum is σ = 34523606856. Its totient is φ = 34483552824.

The previous prime is 34503579833. The next prime is 34503579857. The reversal of 34503579839 is 93897530543.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34503579839 - 2²⁰ = 34502531263 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 (34503579833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10010924 + ... + 10014369.

It is an arithmetic number, because the mean of its divisors is an integer number (8630901714).

Almost surely, 2^34503579839 is an apocalyptic number.

34503579839 is a deficient number, since it is larger than the sum of its proper divisors (20027017).

34503579839 is a wasteful number, since it uses less digits than its factorization.

34503579839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20027016.

The product of its (nonzero) digits is 12247200, while the sum is 56.

The spelling of 34503579839 in words is "thirty-four billion, five hundred three million, five hundred seventy-nine thousand, eight hundred thirty-nine".