545523969309 has 16 divisors (see below), whose sum is σ = 793511814144. Its totient is φ = 330611252400.

The previous prime is 545523969299. The next prime is 545523969323. The reversal of 545523969309 is 903969325545.

It is a happy number.

It is not a de Polignac number, because 545523969309 - 2⁷ = 545523969181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545523969329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1060092 + ... + 1488234.

It is an arithmetic number, because the mean of its divisors is an integer number (49594488384).

Almost surely, 2^545523969309 is an apocalyptic number.

It is an amenable number.

545523969309 is a deficient number, since it is larger than the sum of its proper divisors (247987844835).

545523969309 is a wasteful number, since it uses less digits than its factorization.

545523969309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466768.

The product of its (nonzero) digits is 39366000, while the sum is 60.

The spelling of 545523969309 in words is "five hundred forty-five billion, five hundred twenty-three million, nine hundred sixty-nine thousand, three hundred nine".