545043343469 has 2 divisors, whose sum is σ = 545043343470. Its totient is φ = 545043343468.

The previous prime is 545043343451. The next prime is 545043343511. The reversal of 545043343469 is 964343340545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365767315369 + 179276028100 = 604787^2 + 423410^2 .

It is a cyclic number.

It is not a de Polignac number, because 545043343469 - 2²⁰ = 545042294893 is a prime.

It is a super-2 number, since 2×545043343469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545043343409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272521671734 + 272521671735.

It is an arithmetic number, because the mean of its divisors is an integer number (272521671735).

Almost surely, 2^545043343469 is an apocalyptic number.

It is an amenable number.

545043343469 is a deficient number, since it is larger than the sum of its proper divisors (1).

545043343469 is an equidigital number, since it uses as much as digits as its factorization.

545043343469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 545043343469 in words is "five hundred forty-five billion, forty-three million, three hundred forty-three thousand, four hundred sixty-nine".