263282716324997 has 2 divisors, whose sum is σ = 263282716324998. Its totient is φ = 263282716324996.

The previous prime is 263282716324973. The next prime is 263282716325071. The reversal of 263282716324997 is 799423617282362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254316728130721 + 8965988194276 = 15947311^2 + 2994326^2 .

It is a cyclic number.

It is not a de Polignac number, because 263282716324997 - 2¹⁸ = 263282716062853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263282716324997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263282716324097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131641358162498 + 131641358162499.

It is an arithmetic number, because the mean of its divisors is an integer number (131641358162499).

Almost surely, 2^{263282716324997} is an apocalyptic number.

It is an amenable number.

263282716324997 is a deficient number, since it is larger than the sum of its proper divisors (1).

263282716324997 is an equidigital number, since it uses as much as digits as its factorization.

263282716324997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658409472, while the sum is 71.

The spelling of 263282716324997 in words is "two hundred sixty-three trillion, two hundred eighty-two billion, seven hundred sixteen million, three hundred twenty-four thousand, nine hundred ninety-seven".