265227663013 has 2 divisors, whose sum is σ = 265227663014. Its totient is φ = 265227663012.

The previous prime is 265227663011. The next prime is 265227663017. The reversal of 265227663013 is 310366722562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255548448324 + 9679214689 = 505518^2 + 98383^2 .

It is a cyclic number.

It is not a de Polignac number, because 265227663013 - 2¹ = 265227663011 is a prime.

Together with 265227663011, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265227663011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132613831506 + 132613831507.

It is an arithmetic number, because the mean of its divisors is an integer number (132613831507).

Almost surely, 2^265227663013 is an apocalyptic number.

It is an amenable number.

265227663013 is a deficient number, since it is larger than the sum of its proper divisors (1).

265227663013 is an equidigital number, since it uses as much as digits as its factorization.

265227663013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 265227663013 in words is "two hundred sixty-five billion, two hundred twenty-seven million, six hundred sixty-three thousand, thirteen".