3563565645 has 32 divisors (see below), whose sum is σ = 5882268672. Its totient is φ = 1840845312.

The previous prime is 3563565631. The next prime is 3563565671. The reversal of 3563565645 is 5465653653.

It is not a de Polignac number, because 3563565645 - 2¹⁸ = 3563303501 is a prime.

It is a super-3 number, since 3×3563565645³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3563565594 and 3563565603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109369 + ... + 138161.

It is an arithmetic number, because the mean of its divisors is an integer number (183820896).

Almost surely, 2^3563565645 is an apocalyptic number.

It is an amenable number.

3563565645 is a deficient number, since it is larger than the sum of its proper divisors (2318703027).

3563565645 is a wasteful number, since it uses less digits than its factorization.

3563565645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29061.

The product of its digits is 4860000, while the sum is 48.

The square root of 3563565645 is about 59695.6082555493. The cubic root of 3563565645 is about 1527.4309550447.

The spelling of 3563565645 in words is "three billion, five hundred sixty-three million, five hundred sixty-five thousand, six hundred forty-five".