272779825273 has 4 divisors (see below), whose sum is σ = 275844767220. Its totient is φ = 269714883328.

The previous prime is 272779825261. The next prime is 272779825289. The reversal of 272779825273 is 372528977272.

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 131575229289 + 141204595984 = 362733^2 + 375772^2 .

It is a cyclic number.

It is not a de Polignac number, because 272779825273 - 2⁹ = 272779824761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272779825573) 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, 1532470840 + ... + 1532471017.

It is an arithmetic number, because the mean of its divisors is an integer number (68961191805).

Almost surely, 2^272779825273 is an apocalyptic number.

It is an amenable number.

272779825273 is a deficient number, since it is larger than the sum of its proper divisors (3064941947).

272779825273 is an equidigital number, since it uses as much as digits as its factorization.

272779825273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064941946.

The product of its digits is 41489280, while the sum is 61.

The spelling of 272779825273 in words is "two hundred seventy-two billion, seven hundred seventy-nine million, eight hundred twenty-five thousand, two hundred seventy-three".