263243354114647 has 2 divisors, whose sum is σ = 263243354114648. Its totient is φ = 263243354114646.

The previous prime is 263243354114597. The next prime is 263243354114659. The reversal of 263243354114647 is 746411453342362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263243354114647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263243351114647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131621677057323 + 131621677057324.

It is an arithmetic number, because the mean of its divisors is an integer number (131621677057324).

Almost surely, 2^{263243354114647} is an apocalyptic number.

263243354114647 is a deficient number, since it is larger than the sum of its proper divisors (1).

263243354114647 is an equidigital number, since it uses as much as digits as its factorization.

263243354114647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 55.

The spelling of 263243354114647 in words is "two hundred sixty-three trillion, two hundred forty-three billion, three hundred fifty-four million, one hundred fourteen thousand, six hundred forty-seven".