3653424021 has 16 divisors (see below), whose sum is σ = 5250909440. Its totient is φ = 2246132160.

The previous prime is 3653424001. The next prime is 3653424053. The reversal of 3653424021 is 1204243563.

It is not a de Polignac number, because 3653424021 - 2⁶ = 3653423957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3653424021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3653424001) 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 15 ways as a sum of consecutive naturals, for example, 2125 + ... + 85506.

It is an arithmetic number, because the mean of its divisors is an integer number (328181840).

Almost surely, 2^3653424021 is an apocalyptic number.

It is an amenable number.

3653424021 is a deficient number, since it is larger than the sum of its proper divisors (1597485419).

3653424021 is a wasteful number, since it uses less digits than its factorization.

3653424021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88716.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 3653424021 is about 60443.5606247680. The cubic root of 3653424021 is about 1540.1630261156.

Adding to 3653424021 its reverse (1204243563), we get a palindrome (4857667584).

The spelling of 3653424021 in words is "three billion, six hundred fifty-three million, four hundred twenty-four thousand, twenty-one".