3645425653 has 16 divisors (see below), whose sum is σ = 3736535040. Its totient is φ = 3555737136.

The previous prime is 3645425603. The next prime is 3645425659. The reversal of 3645425653 is 3565245463.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3645425653 is a prime.

It is a super-3 number, since 3×3645425653³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2518576 + ... + 2520022.

It is an arithmetic number, because the mean of its divisors is an integer number (233533440).

Almost surely, 2^3645425653 is an apocalyptic number.

It is an amenable number.

3645425653 is a deficient number, since it is larger than the sum of its proper divisors (91109387).

3645425653 is a wasteful number, since it uses less digits than its factorization.

3645425653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896.

The product of its digits is 1296000, while the sum is 43.

The square root of 3645425653 is about 60377.3604341892. The cubic root of 3645425653 is about 1539.0382555532.

The spelling of 3645425653 in words is "three billion, six hundred forty-five million, four hundred twenty-five thousand, six hundred fifty-three".