3509696305 has 16 divisors (see below), whose sum is σ = 4361466384. Its totient is φ = 2709607680.

The previous prime is 3509696299. The next prime is 3509696317. The reversal of 3509696305 is 5036969053.

It is a happy number.

3509696305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 692952976 + 2816743329 = 26324^2 + 53073^2 .

It is not a de Polignac number, because 3509696305 - 2²⁹ = 2972825393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92394 + ... + 124723.

It is an arithmetic number, because the mean of its divisors is an integer number (272591649).

Almost surely, 2^3509696305 is an apocalyptic number.

It is an amenable number.

3509696305 is a deficient number, since it is larger than the sum of its proper divisors (851770079).

3509696305 is a wasteful number, since it uses less digits than its factorization.

3509696305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217236.

The product of its (nonzero) digits is 656100, while the sum is 46.

The square root of 3509696305 is about 59242.6898866012. The cubic root of 3509696305 is about 1519.6952737759.

The spelling of 3509696305 in words is "three billion, five hundred nine million, six hundred ninety-six thousand, three hundred five".