545858907833 has 4 divisors (see below), whose sum is σ = 545966344308. Its totient is φ = 545751471360.

The previous prime is 545858907821. The next prime is 545858907883. The reversal of 545858907833 is 338709858545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 259257143929 + 286601763904 = 509173^2 + 535352^2 .

It is a cyclic number.

It is not a de Polignac number, because 545858907833 - 2⁸ = 545858907577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 545858907833.

It is not an unprimeable number, because it can be changed into a prime (545858907883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53710616 + ... + 53720777.

It is an arithmetic number, because the mean of its divisors is an integer number (136491586077).

Almost surely, 2^545858907833 is an apocalyptic number.

It is an amenable number.

545858907833 is a deficient number, since it is larger than the sum of its proper divisors (107436475).

545858907833 is a wasteful number, since it uses less digits than its factorization.

545858907833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107436474.

The product of its (nonzero) digits is 145152000, while the sum is 65.

The spelling of 545858907833 in words is "five hundred forty-five billion, eight hundred fifty-eight million, nine hundred seven thousand, eight hundred thirty-three".