3500884985 has 16 divisors (see below), whose sum is σ = 4557255696. Its totient is φ = 2566391808.

The previous prime is 3500884973. The next prime is 3500884991. The reversal of 3500884985 is 5894880053.

It can be written as a sum of positive squares in 8 ways, for example, as 305131024 + 3195753961 = 17468^2 + 56531^2 .

It is a cyclic number.

It is not a de Polignac number, because 3500884985 - 2¹⁶ = 3500819449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 187664 + ... + 205473.

It is an arithmetic number, because the mean of its divisors is an integer number (284828481).

Almost surely, 2^3500884985 is an apocalyptic number.

It is an amenable number.

3500884985 is a deficient number, since it is larger than the sum of its proper divisors (1056370711).

3500884985 is a wasteful number, since it uses less digits than its factorization.

3500884985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393292.

The product of its (nonzero) digits is 1382400, while the sum is 50.

The square root of 3500884985 is about 59168.2768466346. The cubic root of 3500884985 is about 1518.4224435199.

The spelling of 3500884985 in words is "three billion, five hundred million, eight hundred eighty-four thousand, nine hundred eighty-five".