273228272261 has 12 divisors (see below), whose sum is σ = 318285299340. Its totient is φ = 233865313920.

The previous prime is 273228272249. The next prime is 273228272279. The reversal of 273228272261 is 162272822372.

It can be written as a sum of positive squares in 2 ways, for example, as 30583364161 + 242644908100 = 174881^2 + 492590^2 .

It is not a de Polignac number, because 273228272261 - 2¹⁴ = 273228255877 is a prime.

It is a super-2 number, since 2×273228272261² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273228272761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3897620 + ... + 3967101.

It is an arithmetic number, because the mean of its divisors is an integer number (26523774945).

Almost surely, 2^273228272261 is an apocalyptic number.

It is an amenable number.

273228272261 is a deficient number, since it is larger than the sum of its proper divisors (45057027079).

273228272261 is an equidigital number, since it uses as much as digits as its factorization.

273228272261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7865444 (or 7865437 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The spelling of 273228272261 in words is "two hundred seventy-three billion, two hundred twenty-eight million, two hundred seventy-two thousand, two hundred sixty-one".