495363296221 has 2 divisors, whose sum is σ = 495363296222. Its totient is φ = 495363296220.

The previous prime is 495363296213. The next prime is 495363296243. The reversal of 495363296221 is 122692363594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492228528100 + 3134768121 = 701590^2 + 55989^2 .

It is a cyclic number.

It is not a de Polignac number, because 495363296221 - 2³ = 495363296213 is a prime.

It is the 703821-st Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (495363296621) by changing a digit.

It is a nontrivial repunit in base 703820.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247681648110 + 247681648111.

It is an arithmetic number, because the mean of its divisors is an integer number (247681648111).

Almost surely, 2^495363296221 is an apocalyptic number.

It is an amenable number.

495363296221 is a deficient number, since it is larger than the sum of its proper divisors (1).

495363296221 is an equidigital number, since it uses as much as digits as its factorization.

495363296221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 52.

The spelling of 495363296221 in words is "four hundred ninety-five billion, three hundred sixty-three million, two hundred ninety-six thousand, two hundred twenty-one".