3646468318 has 8 divisors (see below), whose sum is σ = 5473616400. Its totient is φ = 1821929520.

The previous prime is 3646468297. The next prime is 3646468321. The reversal of 3646468318 is 8138646463.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 648823 + ... + 654418.

It is an arithmetic number, because the mean of its divisors is an integer number (684202050).

Almost surely, 2^3646468318 is an apocalyptic number.

3646468318 is a deficient number, since it is larger than the sum of its proper divisors (1827148082).

3646468318 is a wasteful number, since it uses less digits than its factorization.

3646468318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304642.

The product of its digits is 1990656, while the sum is 49.

The square root of 3646468318 is about 60385.9943861157. The cubic root of 3646468318 is about 1539.1849735231.

The spelling of 3646468318 in words is "three billion, six hundred forty-six million, four hundred sixty-eight thousand, three hundred eighteen".