545330434433 has 4 divisors (see below), whose sum is σ = 577408695300. Its totient is φ = 513252173568.

The previous prime is 545330434417. The next prime is 545330434457. The reversal of 545330434433 is 334434033545.

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

It can be written as a sum of positive squares in 2 ways, for example, as 327924586609 + 217405847824 = 572647^2 + 466268^2 .

It is a cyclic number.

It is not a de Polignac number, because 545330434433 - 2⁴ = 545330434417 is a prime.

It is a super-5 number, since 5×545330434433⁵ (a number of 60 digits) contains 55555 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (545330434933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16039130408 + ... + 16039130441.

It is an arithmetic number, because the mean of its divisors is an integer number (144352173825).

Almost surely, 2^545330434433 is an apocalyptic number.

It is an amenable number.

545330434433 is a deficient number, since it is larger than the sum of its proper divisors (32078260867).

545330434433 is a wasteful number, since it uses less digits than its factorization.

545330434433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32078260866.

The product of its (nonzero) digits is 1555200, while the sum is 41.

Adding to 545330434433 its reverse (334434033545), we get a palindrome (879764467978).

The spelling of 545330434433 in words is "five hundred forty-five billion, three hundred thirty million, four hundred thirty-four thousand, four hundred thirty-three".