545969369 has 8 divisors (see below), whose sum is σ = 596831808. Its totient is φ = 495311760.

The previous prime is 545969309. The next prime is 545969381. The reversal of 545969369 is 963969545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545969369 - 2¹⁶ = 545903833 is a prime.

It is a super-2 number, since 2×545969369² = 596165103772516322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545969309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45602 + ... + 56315.

It is an arithmetic number, because the mean of its divisors is an integer number (74603976).

Almost surely, 2^545969369 is an apocalyptic number.

It is an amenable number.

545969369 is a deficient number, since it is larger than the sum of its proper divisors (50862439).

545969369 is a wasteful number, since it uses less digits than its factorization.

545969369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102415.

The product of its digits is 7873200, while the sum is 56.

The square root of 545969369 is about 23365.9874390106. The cubic root of 545969369 is about 817.3149179961.

The spelling of 545969369 in words is "five hundred forty-five million, nine hundred sixty-nine thousand, three hundred sixty-nine".