3563247656 has 16 divisors (see below), whose sum is σ = 6790616340. Its totient is φ = 1752416640.

The previous prime is 3563247619. The next prime is 3563247691. The reversal of 3563247656 is 6567423653.

It can be written as a sum of positive squares in 2 ways, for example, as 3461439556 + 101808100 = 58834^2 + 10090^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3563247656.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3650381 + ... + 3651356.

Almost surely, 2^3563247656 is an apocalyptic number.

It is an amenable number.

3563247656 is a deficient number, since it is larger than the sum of its proper divisors (3227368684).

3563247656 is a wasteful number, since it uses less digits than its factorization.

3563247656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7301804 (or 7301800 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 47.

The square root of 3563247656 is about 59692.9447757438. The cubic root of 3563247656 is about 1527.3855210854.

The spelling of 3563247656 in words is "three billion, five hundred sixty-three million, two hundred forty-seven thousand, six hundred fifty-six".