3505869652 has 12 divisors (see below), whose sum is σ = 6251032116. Its totient is φ = 1719860480.

The previous prime is 3505869649. The next prime is 3505869667. The reversal of 3505869652 is 2569685053.

It can be written as a sum of positive squares in 2 ways, for example, as 3171491856 + 334377796 = 56316^2 + 18286^2 .

It is a super-3 number, since 3×3505869652³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3505869596 and 3505869605.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 8268349 + ... + 8268772.

It is an arithmetic number, because the mean of its divisors is an integer number (520919343).

Almost surely, 2^3505869652 is an apocalyptic number.

It is an amenable number.

3505869652 is a deficient number, since it is larger than the sum of its proper divisors (2745162464).

3505869652 is a wasteful number, since it uses less digits than its factorization.

3505869652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16537178 (or 16537176 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 49.

The square root of 3505869652 is about 59210.3846635031. The cubic root of 3505869652 is about 1519.1427605134.

The spelling of 3505869652 in words is "three billion, five hundred five million, eight hundred sixty-nine thousand, six hundred fifty-two".