272349340261 has 2 divisors, whose sum is σ = 272349340262. Its totient is φ = 272349340260.

The previous prime is 272349340253. The next prime is 272349340357. The reversal of 272349340261 is 162043943272.

272349340261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170990520100 + 101358820161 = 413510^2 + 318369^2 .

It is a cyclic number.

It is not a de Polignac number, because 272349340261 - 2³ = 272349340253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272349340231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136174670130 + 136174670131.

It is an arithmetic number, because the mean of its divisors is an integer number (136174670131).

Almost surely, 2^272349340261 is an apocalyptic number.

It is an amenable number.

272349340261 is a deficient number, since it is larger than the sum of its proper divisors (1).

272349340261 is an equidigital number, since it uses as much as digits as its factorization.

272349340261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 272349340261 in words is "two hundred seventy-two billion, three hundred forty-nine million, three hundred forty thousand, two hundred sixty-one".