3643493712 has 20 divisors (see below), whose sum is σ = 9412358880. Its totient is φ = 1214497888.

The previous prime is 3643493683. The next prime is 3643493717. The reversal of 3643493712 is 2173943463.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643493717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37953012 + ... + 37953107.

It is an arithmetic number, because the mean of its divisors is an integer number (470617944).

Almost surely, 2^3643493712 is an apocalyptic number.

It is an amenable number.

3643493712 is an abundant number, since it is smaller than the sum of its proper divisors (5768865168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3643493712 is a wasteful number, since it uses less digits than its factorization.

3643493712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75906130 (or 75906124 counting only the distinct ones).

The product of its digits is 326592, while the sum is 42.

The square root of 3643493712 is about 60361.3594280314. The cubic root of 3643493712 is about 1538.7663296935.

The spelling of 3643493712 in words is "three billion, six hundred forty-three million, four hundred ninety-three thousand, seven hundred twelve".