545554082369 has 2 divisors, whose sum is σ = 545554082370. Its totient is φ = 545554082368.

The previous prime is 545554082351. The next prime is 545554082461. The reversal of 545554082369 is 963280455545.

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., 487539097600 + 58014984769 = 698240^2 + 240863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545554082369 is a prime.

It is a super-2 number, since 2×545554082369² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (545554082569) 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 as a sum of consecutive naturals, namely, 272777041184 + 272777041185.

It is an arithmetic number, because the mean of its divisors is an integer number (272777041185).

Almost surely, 2^545554082369 is an apocalyptic number.

It is an amenable number.

545554082369 is a deficient number, since it is larger than the sum of its proper divisors (1).

545554082369 is an equidigital number, since it uses as much as digits as its factorization.

545554082369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920000, while the sum is 56.

The spelling of 545554082369 in words is "five hundred forty-five billion, five hundred fifty-four million, eighty-two thousand, three hundred sixty-nine".