3684618544 has 20 divisors (see below), whose sum is σ = 7164729424. Its totient is φ = 1835656128.

The previous prime is 3684618521. The next prime is 3684618547. The reversal of 3684618544 is 4458164863.

It is not an unprimeable number, because it can be changed into a prime (3684618547) 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 3 ways as a sum of consecutive naturals, for example, 411252 + ... + 420115.

Almost surely, 2^3684618544 is an apocalyptic number.

It is an amenable number.

3684618544 is a deficient number, since it is larger than the sum of its proper divisors (3480110880).

3684618544 is a wasteful number, since it uses less digits than its factorization.

3684618544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831652 (or 831646 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 49.

The square root of 3684618544 is about 60701.0588375524. The cubic root of 3684618544 is about 1544.5341360299.

The spelling of 3684618544 in words is "three billion, six hundred eighty-four million, six hundred eighteen thousand, five hundred forty-four".