3563809966 has 8 divisors (see below), whose sum is σ = 5347031400. Its totient is φ = 1781466168.

The previous prime is 3563809961. The next prime is 3563809967. The reversal of 3563809966 is 6699083653.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3563809961) 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, 209161 + ... + 225556.

It is an arithmetic number, because the mean of its divisors is an integer number (668378925).

Almost surely, 2^3563809966 is an apocalyptic number.

3563809966 is a deficient number, since it is larger than the sum of its proper divisors (1783221434).

3563809966 is a wasteful number, since it uses less digits than its factorization.

3563809966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438818.

The product of its (nonzero) digits is 6298560, while the sum is 55.

The square root of 3563809966 is about 59697.6546105456. The cubic root of 3563809966 is about 1527.4658615557.

The spelling of 3563809966 in words is "three billion, five hundred sixty-three million, eight hundred nine thousand, nine hundred sixty-six".