545432424321 has 8 divisors (see below), whose sum is σ = 730072973664. Its totient is φ = 362206745600.

The previous prime is 545432424311. The next prime is 545432424331. The reversal of 545432424321 is 123424234545.

It is an interprime number because it is at equal distance from previous prime (545432424311) and next prime (545432424331).

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 545432424321 - 2⁵ = 545432424289 is a prime.

It is a super-2 number, since 2×545432424321² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 545432424321.

It is not an unprimeable number, because it can be changed into a prime (545432424311) 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, 353716755 + ... + 353718296.

It is an arithmetic number, because the mean of its divisors is an integer number (91259121708).

Almost surely, 2^545432424321 is an apocalyptic number.

It is an amenable number.

545432424321 is a deficient number, since it is larger than the sum of its proper divisors (184640549343).

545432424321 is a wasteful number, since it uses less digits than its factorization.

545432424321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707435311.

The product of its digits is 460800, while the sum is 39.

Adding to 545432424321 its reverse (123424234545), we get a palindrome (668856658866).

The spelling of 545432424321 in words is "five hundred forty-five billion, four hundred thirty-two million, four hundred twenty-four thousand, three hundred twenty-one".