3656550046613 has 4 divisors (see below), whose sum is σ = 3658704762540. Its totient is φ = 3654395330688.

The previous prime is 3656550046603. The next prime is 3656550046631. The reversal of 3656550046613 is 3166400556563.

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 3057997156369 + 598552890244 = 1748713^2 + 773662^2 .

It is a cyclic number.

It is not a de Polignac number, because 3656550046613 - 2²⁶ = 3656482937749 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 (3656550046603) 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, 1077355418 + ... + 1077358811.

It is an arithmetic number, because the mean of its divisors is an integer number (914676190635).

Almost surely, 2^{3656550046613} is an apocalyptic number.

It is an amenable number.

3656550046613 is a deficient number, since it is larger than the sum of its proper divisors (2154715927).

3656550046613 is a wasteful number, since it uses less digits than its factorization.

3656550046613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154715926.

The product of its (nonzero) digits is 5832000, while the sum is 50.

The spelling of 3656550046613 in words is "three trillion, six hundred fifty-six billion, five hundred fifty million, forty-six thousand, six hundred thirteen".