3509049605 has 8 divisors (see below), whose sum is σ = 4212094200. Its totient is φ = 2806416576.

The previous prime is 3509049587. The next prime is 3509049617. The reversal of 3509049605 is 5069409053.

It can be written as a sum of positive squares in 4 ways, for example, as 295633636 + 3213415969 = 17194^2 + 56687^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3509049605 - 2²² = 3504855301 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83810 + ... + 118499.

It is an arithmetic number, because the mean of its divisors is an integer number (526511775).

Almost surely, 2^3509049605 is an apocalyptic number.

It is an amenable number.

3509049605 is a deficient number, since it is larger than the sum of its proper divisors (703044595).

3509049605 is a wasteful number, since it uses less digits than its factorization.

3509049605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205783.

The product of its (nonzero) digits is 145800, while the sum is 41.

The square root of 3509049605 is about 59237.2315777839. The cubic root of 3509049605 is about 1519.6019278738.

The spelling of 3509049605 in words is "three billion, five hundred nine million, forty-nine thousand, six hundred five".