272219273449 has 2 divisors, whose sum is σ = 272219273450. Its totient is φ = 272219273448.

The previous prime is 272219273441. The next prime is 272219273483. The reversal of 272219273449 is 944372912272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222916179600 + 49303093849 = 472140^2 + 222043^2 .

It is a cyclic number.

It is not a de Polignac number, because 272219273449 - 2³ = 272219273441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 272219273396 and 272219273405.

It is not a weakly prime, because it can be changed into another prime (272219273441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136109636724 + 136109636725.

It is an arithmetic number, because the mean of its divisors is an integer number (136109636725).

Almost surely, 2^272219273449 is an apocalyptic number.

It is an amenable number.

272219273449 is a deficient number, since it is larger than the sum of its proper divisors (1).

272219273449 is an equidigital number, since it uses as much as digits as its factorization.

272219273449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 52.

The spelling of 272219273449 in words is "two hundred seventy-two billion, two hundred nineteen million, two hundred seventy-three thousand, four hundred forty-nine".