275265026389 has 2 divisors, whose sum is σ = 275265026390. Its totient is φ = 275265026388.

The previous prime is 275265026381. The next prime is 275265026429. The reversal of 275265026389 is 983620562572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 274820238289 + 444788100 = 524233^2 + 21090^2 .

It is a cyclic number.

It is not a de Polignac number, because 275265026389 - 2³ = 275265026381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275265026381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137632513194 + 137632513195.

It is an arithmetic number, because the mean of its divisors is an integer number (137632513195).

Almost surely, 2^275265026389 is an apocalyptic number.

It is an amenable number.

275265026389 is a deficient number, since it is larger than the sum of its proper divisors (1).

275265026389 is an equidigital number, since it uses as much as digits as its factorization.

275265026389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 275265026389 in words is "two hundred seventy-five billion, two hundred sixty-five million, twenty-six thousand, three hundred eighty-nine".