545669911 has 12 divisors (see below), whose sum is σ = 581875392. Its totient is φ = 511588224.

The previous prime is 545669899. The next prime is 545669939. The reversal of 545669911 is 119966545.

It is a happy number.

It is not a de Polignac number, because 545669911 - 2⁷ = 545669783 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 (545669711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27226 + ... + 42808.

It is an arithmetic number, because the mean of its divisors is an integer number (48489616).

Almost surely, 2^545669911 is an apocalyptic number.

545669911 is a deficient number, since it is larger than the sum of its proper divisors (36205481).

545669911 is a wasteful number, since it uses less digits than its factorization.

545669911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15718 (or 15699 counting only the distinct ones).

The product of its digits is 291600, while the sum is 46.

The square root of 545669911 is about 23359.5785706849. The cubic root of 545669911 is about 817.1654613501.

The spelling of 545669911 in words is "five hundred forty-five million, six hundred sixty-nine thousand, nine hundred eleven".