4535441252421 has 4 divisors (see below), whose sum is σ = 6047255003232. Its totient is φ = 3023627501612.

The previous prime is 4535441252417. The next prime is 4535441252519. The reversal of 4535441252421 is 1242521445354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4535441252421 - 2² = 4535441252417 is a prime.

It is a super-2 number, since 2×4535441252421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4535441252411) 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 3 ways as a sum of consecutive naturals, for example, 755906875401 + ... + 755906875406.

It is an arithmetic number, because the mean of its divisors is an integer number (1511813750808).

Almost surely, 2^{4535441252421} is an apocalyptic number.

It is an amenable number.

4535441252421 is a deficient number, since it is larger than the sum of its proper divisors (1511813750811).

4535441252421 is a wasteful number, since it uses less digits than its factorization.

4535441252421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511813750810.

The product of its digits is 768000, while the sum is 42.

Adding to 4535441252421 its reverse (1242521445354), we get a palindrome (5777962697775).

The spelling of 4535441252421 in words is "four trillion, five hundred thirty-five billion, four hundred forty-one million, two hundred fifty-two thousand, four hundred twenty-one".