3918650563 has 8 divisors (see below), whose sum is σ = 4038861456. Its totient is φ = 3799612800.

The previous prime is 3918650537. The next prime is 3918650591. The reversal of 3918650563 is 3650568193.

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

It is a cyclic number.

It is not a de Polignac number, because 3918650563 - 2²¹ = 3916553411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3918650503) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 286498 + ... + 299863.

It is an arithmetic number, because the mean of its divisors is an integer number (504857682).

Almost surely, 2^3918650563 is an apocalyptic number.

3918650563 is a deficient number, since it is larger than the sum of its proper divisors (120210893).

3918650563 is a wasteful number, since it uses less digits than its factorization.

3918650563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586565.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 3918650563 is about 62599.1258964532. The cubic root of 3918650563 is about 1576.5660832177.

It can be divided in two parts, 3918 and 650563, that added together give a square (654481 = 809²).

The spelling of 3918650563 in words is "three billion, nine hundred eighteen million, six hundred fifty thousand, five hundred sixty-three".