200953993109 has 2 divisors, whose sum is σ = 200953993110. Its totient is φ = 200953993108.

The previous prime is 200953993039. The next prime is 200953993117. The reversal of 200953993109 is 901399359002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200723712484 + 230280625 = 448022^2 + 15175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200953993109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200953993129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100476996554 + 100476996555.

It is an arithmetic number, because the mean of its divisors is an integer number (100476996555).

Almost surely, 2^200953993109 is an apocalyptic number.

It is an amenable number.

200953993109 is a deficient number, since it is larger than the sum of its proper divisors (1).

200953993109 is an equidigital number, since it uses as much as digits as its factorization.

200953993109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 590490, while the sum is 50.

The spelling of 200953993109 in words is "two hundred billion, nine hundred fifty-three million, nine hundred ninety-three thousand, one hundred nine".