2642827273 has 4 divisors (see below), whose sum is σ = 2643352900. Its totient is φ = 2642301648.

The previous prime is 2642827267. The next prime is 2642827331. The reversal of 2642827273 is 3727282462.

It is a happy number.

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 1661133049 + 981694224 = 40757^2 + 31332^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642827273 - 2¹⁷ = 2642696201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642827073) 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, 255198 + ... + 265351.

It is an arithmetic number, because the mean of its divisors is an integer number (660838225).

Almost surely, 2^2642827273 is an apocalyptic number.

It is an amenable number.

2642827273 is a deficient number, since it is larger than the sum of its proper divisors (525627).

2642827273 is an equidigital number, since it uses as much as digits as its factorization.

2642827273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525626.

The product of its digits is 451584, while the sum is 43.

The square root of 2642827273 is about 51408.4358155352. The cubic root of 2642827273 is about 1382.5778450586.

The spelling of 2642827273 in words is "two billion, six hundred forty-two million, eight hundred twenty-seven thousand, two hundred seventy-three".