271862557650349 has 2 divisors, whose sum is σ = 271862557650350. Its totient is φ = 271862557650348.

The previous prime is 271862557650239. The next prime is 271862557650367. The reversal of 271862557650349 is 943056755268172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153930993913449 + 117931563736900 = 12406893^2 + 10859630^2 .

It is a cyclic number.

It is not a de Polignac number, because 271862557650349 - 2⁴³ = 263066464628141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (271862557650379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135931278825174 + 135931278825175.

It is an arithmetic number, because the mean of its divisors is an integer number (135931278825175).

It is a 2-persistent number, because it is pandigital, and so is 2⋅271862557650349 = 543725115300698, but 3⋅271862557650349 = 815587672951047 is not.

Almost surely, 2^{271862557650349} is an apocalyptic number.

It is an amenable number.

271862557650349 is a deficient number, since it is larger than the sum of its proper divisors (1).

271862557650349 is an equidigital number, since it uses as much as digits as its factorization.

271862557650349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048000, while the sum is 70.

The spelling of 271862557650349 in words is "two hundred seventy-one trillion, eight hundred sixty-two billion, five hundred fifty-seven million, six hundred fifty thousand, three hundred forty-nine".