4520134204243 has 4 divisors (see below), whose sum is σ = 5165867662000. Its totient is φ = 3874400746488.

The previous prime is 4520134204241. The next prime is 4520134204279. The reversal of 4520134204243 is 3424024310254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4520134204243 - 2¹ = 4520134204241 is a prime.

It is a super-2 number, since 2×4520134204243² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4520134204199 and 4520134204208.

It is not an unprimeable number, because it can be changed into a prime (4520134204241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322866728868 + ... + 322866728881.

It is an arithmetic number, because the mean of its divisors is an integer number (1291466915500).

Almost surely, 2^{4520134204243} is an apocalyptic number.

4520134204243 is a deficient number, since it is larger than the sum of its proper divisors (645733457757).

4520134204243 is an equidigital number, since it uses as much as digits as its factorization.

4520134204243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645733457756.

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 4520134204243 its reverse (3424024310254), we get a palindrome (7944158514497).

The spelling of 4520134204243 in words is "four trillion, five hundred twenty billion, one hundred thirty-four million, two hundred four thousand, two hundred forty-three".