41421875685653 has 2 divisors, whose sum is σ = 41421875685654. Its totient is φ = 41421875685652.

The previous prime is 41421875685599. The next prime is 41421875685667. The reversal of 41421875685653 is 35658657812414.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35478021933649 + 5943853752004 = 5956343^2 + 2438002^2 .

It is a cyclic number.

It is not a de Polignac number, because 41421875685653 - 2¹⁶ = 41421875620117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41421875685653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41421875655653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20710937842826 + 20710937842827.

It is an arithmetic number, because the mean of its divisors is an integer number (20710937842827).

Almost surely, 2^{41421875685653} is an apocalyptic number.

It is an amenable number.

41421875685653 is a deficient number, since it is larger than the sum of its proper divisors (1).

41421875685653 is an equidigital number, since it uses as much as digits as its factorization.

41421875685653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536000, while the sum is 65.

The spelling of 41421875685653 in words is "forty-one trillion, four hundred twenty-one billion, eight hundred seventy-five million, six hundred eighty-five thousand, six hundred fifty-three".