503421045443 has 8 divisors (see below), whose sum is σ = 552956755200. Its totient is φ = 456189322248.

The previous prime is 503421045377. The next prime is 503421045451. The reversal of 503421045443 is 344540124305.

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 503421045443 - 2⁸ = 503421045187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503421045643) 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, 575996183 + ... + 575997056.

It is an arithmetic number, because the mean of its divisors is an integer number (69119594400).

Almost surely, 2^503421045443 is an apocalyptic number.

503421045443 is a deficient number, since it is larger than the sum of its proper divisors (49535709757).

503421045443 is a wasteful number, since it uses less digits than its factorization.

503421045443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151993281.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 503421045443 its reverse (344540124305), we get a palindrome (847961169748).

The spelling of 503421045443 in words is "five hundred three billion, four hundred twenty-one million, forty-five thousand, four hundred forty-three".