545504434443 has 6 divisors (see below), whose sum is σ = 787950849764. Its totient is φ = 363669622956.

The previous prime is 545504434351. The next prime is 545504434459. The reversal of 545504434443 is 344434405545.

545504434443 is a `hidden beast` number, since 54 + 550 + 4 + 4 + 3 + 4 + 4 + 43 = 666.

It is not a de Polignac number, because 545504434443 - 2⁹ = 545504433931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545504434543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30305801905 + ... + 30305801922.

Almost surely, 2^545504434443 is an apocalyptic number.

545504434443 is a deficient number, since it is larger than the sum of its proper divisors (242446415321).

545504434443 is a wasteful number, since it uses less digits than its factorization.

545504434443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60611603833 (or 60611603830 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 45.

Adding to 545504434443 its reverse (344434405545), we get a palindrome (889938839988).

The spelling of 545504434443 in words is "five hundred forty-five billion, five hundred four million, four hundred thirty-four thousand, four hundred forty-three".