2800550273 has 4 divisors (see below), whose sum is σ = 2832017220. Its totient is φ = 2769083328.

The previous prime is 2800550197. The next prime is 2800550293. The reversal of 2800550273 is 3720550082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3720550082 = 2 ⋅1860275041.

It can be written as a sum of positive squares in 2 ways, for example, as 147064129 + 2653486144 = 12127^2 + 51512^2 .

It is a cyclic number.

It is not a de Polignac number, because 2800550273 - 2²⁶ = 2733441409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2800550293) 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 3 ways as a sum of consecutive naturals, for example, 15733340 + ... + 15733517.

It is an arithmetic number, because the mean of its divisors is an integer number (708004305).

Almost surely, 2^2800550273 is an apocalyptic number.

It is an amenable number.

2800550273 is a deficient number, since it is larger than the sum of its proper divisors (31466947).

2800550273 is an equidigital number, since it uses as much as digits as its factorization.

2800550273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31466946.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2800550273 is about 52920.2255569645. The cubic root of 2800550273 is about 1409.5520722274.

The spelling of 2800550273 in words is "two billion, eight hundred million, five hundred fifty thousand, two hundred seventy-three".