3563363721 has 16 divisors (see below), whose sum is σ = 5003954240. Its totient is φ = 2249311680.

The previous prime is 3563363707. The next prime is 3563363731. The reversal of 3563363721 is 1273633653.

It is not a de Polignac number, because 3563363721 - 2¹³ = 3563355529 is a prime.

It is a super-2 number, since 2×3563363721² = 25395122016277931682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3563363721.

It is not an unprimeable number, because it can be changed into a prime (3563363731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94011 + ... + 126351.

It is an arithmetic number, because the mean of its divisors is an integer number (312747140).

Almost surely, 2^3563363721 is an apocalyptic number.

It is an amenable number.

3563363721 is a deficient number, since it is larger than the sum of its proper divisors (1440590519).

3563363721 is a wasteful number, since it uses less digits than its factorization.

3563363721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34296.

The product of its digits is 204120, while the sum is 39.

The square root of 3563363721 is about 59693.9169513946. The cubic root of 3563363721 is about 1527.4021046530.

The spelling of 3563363721 in words is "three billion, five hundred sixty-three million, three hundred sixty-three thousand, seven hundred twenty-one".