3645425652 has 144 divisors (see below), whose sum is σ = 9894612672. Its totient is φ = 1035740160.

The previous prime is 3645425603. The next prime is 3645425659. The reversal of 3645425652 is 2565245463.

It is a super-3 number, since 3×3645425652³ (a number of 30 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645425659) 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 47 ways as a sum of consecutive naturals, for example, 5384338 + ... + 5385014.

It is an arithmetic number, because the mean of its divisors is an integer number (68712588).

Almost surely, 2^3645425652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3645425652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4947306336).

3645425652 is an abundant number, since it is smaller than the sum of its proper divisors (6249187020).

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

3645425652 is a wasteful number, since it uses less digits than its factorization.

3645425652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846 (or 825 counting only the distinct ones).

The product of its digits is 864000, while the sum is 42.

The square root of 3645425652 is about 60377.3604259080. The cubic root of 3645425652 is about 1539.0382554124.

The spelling of 3645425652 in words is "three billion, six hundred forty-five million, four hundred twenty-five thousand, six hundred fifty-two".