3693545618 has 48 divisors (see below), whose sum is σ = 6751900800. Its totient is φ = 1508925600.

The previous prime is 3693545593. The next prime is 3693545621. The reversal of 3693545618 is 8165453963.

It is a happy number.

It is a super-4 number, since 4×3693545618⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216293 + ... + 232743.

It is an arithmetic number, because the mean of its divisors is an integer number (140664600).

Almost surely, 2^3693545618 is an apocalyptic number.

3693545618 is a deficient number, since it is larger than the sum of its proper divisors (3058355182).

3693545618 is a wasteful number, since it uses less digits than its factorization.

3693545618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16575 (or 16568 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 50.

The square root of 3693545618 is about 60774.5474520378. The cubic root of 3693545618 is about 1545.7804930160.

The spelling of 3693545618 in words is "three billion, six hundred ninety-three million, five hundred forty-five thousand, six hundred eighteen".