3505784563 has 16 divisors (see below), whose sum is σ = 3717181440. Its totient is φ = 3297153600.

The previous prime is 3505784551. The next prime is 3505784593. The reversal of 3505784563 is 3654875053.

It is not a de Polignac number, because 3505784563 - 2⁵ = 3505784531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3505784593) 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 15 ways as a sum of consecutive naturals, for example, 3399858 + ... + 3400888.

It is an arithmetic number, because the mean of its divisors is an integer number (232323840).

Almost surely, 2^3505784563 is an apocalyptic number.

3505784563 is a deficient number, since it is larger than the sum of its proper divisors (211396877).

3505784563 is a wasteful number, since it uses less digits than its factorization.

3505784563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The square root of 3505784563 is about 59209.6661280909. Note that the first 3 decimals coincide. The cubic root of 3505784563 is about 1519.1304703261.

The spelling of 3505784563 in words is "three billion, five hundred five million, seven hundred eighty-four thousand, five hundred sixty-three".