3506676809 has 4 divisors (see below), whose sum is σ = 3507691140. Its totient is φ = 3505662480.

The previous prime is 3506676799. The next prime is 3506676827. The reversal of 3506676809 is 9086766053.

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

It can be written as a sum of positive squares in 2 ways, for example, as 710382409 + 2796294400 = 26653^2 + 52880^2 .

It is a cyclic number.

It is not a de Polignac number, because 3506676809 - 2⁴ = 3506676793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3506676829) 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, 501962 + ... + 508899.

It is an arithmetic number, because the mean of its divisors is an integer number (876922785).

Almost surely, 2^3506676809 is an apocalyptic number.

It is an amenable number.

3506676809 is a deficient number, since it is larger than the sum of its proper divisors (1014331).

3506676809 is a wasteful number, since it uses less digits than its factorization.

3506676809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014330.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 3506676809 is about 59217.2002799862. The cubic root of 3506676809 is about 1519.2593357377.

The spelling of 3506676809 in words is "three billion, five hundred six million, six hundred seventy-six thousand, eight hundred nine".