201852003653 has 2 divisors, whose sum is σ = 201852003654. Its totient is φ = 201852003652.

The previous prime is 201852003623. The next prime is 201852003671. The reversal of 201852003653 is 356300258102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121704695044 + 80147308609 = 348862^2 + 283103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201852003653 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201852003623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100926001826 + 100926001827.

It is an arithmetic number, because the mean of its divisors is an integer number (100926001827).

Almost surely, 2^201852003653 is an apocalyptic number.

It is an amenable number.

201852003653 is a deficient number, since it is larger than the sum of its proper divisors (1).

201852003653 is an equidigital number, since it uses as much as digits as its factorization.

201852003653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 201852003653 in words is "two hundred one billion, eight hundred fifty-two million, three thousand, six hundred fifty-three".