545550328069 has 2 divisors, whose sum is σ = 545550328070. Its totient is φ = 545550328068.

The previous prime is 545550328067. The next prime is 545550328093. The reversal of 545550328069 is 960823055545.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544976150625 + 574177444 = 738225^2 + 23962^2 .

It is a cyclic number.

It is not a de Polignac number, because 545550328069 - 2¹ = 545550328067 is a prime.

It is a super-2 number, since 2×545550328069² (a number of 24 digits) contains 22 as substring.

Together with 545550328067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545550328067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272775164034 + 272775164035.

It is an arithmetic number, because the mean of its divisors is an integer number (272775164035).

Almost surely, 2^545550328069 is an apocalyptic number.

It is an amenable number.

545550328069 is a deficient number, since it is larger than the sum of its proper divisors (1).

545550328069 is an equidigital number, since it uses as much as digits as its factorization.

545550328069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480000, while the sum is 52.

The spelling of 545550328069 in words is "five hundred forty-five billion, five hundred fifty million, three hundred twenty-eight thousand, sixty-nine".