3653220605 has 8 divisors (see below), whose sum is σ = 4395313152. Its totient is φ = 2914944208.

The previous prime is 3653220577. The next prime is 3653220607. The reversal of 3653220605 is 5060223563.

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

It is a cyclic number.

It is not a de Polignac number, because 3653220605 - 2¹⁴ = 3653204221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3653220607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951929 + ... + 955758.

It is an arithmetic number, because the mean of its divisors is an integer number (549414144).

Almost surely, 2^3653220605 is an apocalyptic number.

It is an amenable number.

3653220605 is a deficient number, since it is larger than the sum of its proper divisors (742092547).

3653220605 is a wasteful number, since it uses less digits than its factorization.

3653220605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908075.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 3653220605 is about 60441.8779076230. The cubic root of 3653220605 is about 1540.1344410937.

The spelling of 3653220605 in words is "three billion, six hundred fifty-three million, two hundred twenty thousand, six hundred five".