4321542453443 has 8 divisors (see below), whose sum is σ = 4400386263168. Its totient is φ = 4243229578944.

The previous prime is 4321542453413. The next prime is 4321542453451. The reversal of 4321542453443 is 3443542451234.

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 4321542453443 - 2⁶ = 4321542453379 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4321542453394 and 4321542453403.

It is not an unprimeable number, because it can be changed into a prime (4321542453413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132717380 + ... + 132749937.

It is an arithmetic number, because the mean of its divisors is an integer number (550048282896).

Almost surely, 2^{4321542453443} is an apocalyptic number.

4321542453443 is a deficient number, since it is larger than the sum of its proper divisors (78843809725).

4321542453443 is a wasteful number, since it uses less digits than its factorization.

4321542453443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265467613.

The product of its digits is 2764800, while the sum is 44.

The spelling of 4321542453443 in words is "four trillion, three hundred twenty-one billion, five hundred forty-two million, four hundred fifty-three thousand, four hundred forty-three".