545545423130213 has 4 divisors (see below), whose sum is σ = 595140461596608. Its totient is φ = 495950384663820.

The previous prime is 545545423130179. The next prime is 545545423130233. The reversal of 545545423130213 is 312031324545545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 545545423130213 - 2¹² = 545545423126117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545545423130233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24797519233181 + ... + 24797519233202.

It is an arithmetic number, because the mean of its divisors is an integer number (148785115399152).

Almost surely, 2^{545545423130213} is an apocalyptic number.

It is an amenable number.

545545423130213 is a deficient number, since it is larger than the sum of its proper divisors (49595038466395).

545545423130213 is a wasteful number, since it uses less digits than its factorization.

545545423130213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49595038466394.

The product of its (nonzero) digits is 4320000, while the sum is 47.

Adding to 545545423130213 its reverse (312031324545545), we get a palindrome (857576747675758).

The spelling of 545545423130213 in words is "five hundred forty-five trillion, five hundred forty-five billion, four hundred twenty-three million, one hundred thirty thousand, two hundred thirteen".