41663453653 has 2 divisors, whose sum is σ = 41663453654. Its totient is φ = 41663453652.

The previous prime is 41663453651. The next prime is 41663453659. The reversal of 41663453653 is 35635436614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29949071364 + 11714382289 = 173058^2 + 108233^2 .

It is a cyclic number.

It is not a de Polignac number, because 41663453653 - 2¹ = 41663453651 is a prime.

Together with 41663453651, 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 (41663453651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20831726826 + 20831726827.

It is an arithmetic number, because the mean of its divisors is an integer number (20831726827).

Almost surely, 2^41663453653 is an apocalyptic number.

It is an amenable number.

41663453653 is a deficient number, since it is larger than the sum of its proper divisors (1).

41663453653 is an equidigital number, since it uses as much as digits as its factorization.

41663453653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 46.

The spelling of 41663453653 in words is "forty-one billion, six hundred sixty-three million, four hundred fifty-three thousand, six hundred fifty-three".