4453540530021 has 12 divisors (see below), whose sum is σ = 7017700229280. Its totient is φ = 2699115472680.

The previous prime is 4453540530007. The next prime is 4453540530031. The reversal of 4453540530021 is 1200350453544.

4453540530021 is a `hidden beast` number, since 4 + 4 + 53 + 54 + 0 + 530 + 0 + 21 = 666.

It is not a de Polignac number, because 4453540530021 - 2¹⁸ = 4453540267877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4453540530031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22492628841 + ... + 22492629038.

It is an arithmetic number, because the mean of its divisors is an integer number (584808352440).

Almost surely, 2^{4453540530021} is an apocalyptic number.

It is an amenable number.

4453540530021 is a deficient number, since it is larger than the sum of its proper divisors (2564159699259).

4453540530021 is a wasteful number, since it uses less digits than its factorization.

4453540530021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44985257896 (or 44985257893 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 4453540530021 its reverse (1200350453544), we get a palindrome (5653890983565).

The spelling of 4453540530021 in words is "four trillion, four hundred fifty-three billion, five hundred forty million, five hundred thirty thousand, twenty-one".