2201209993 has 2 divisors, whose sum is σ = 2201209994. Its totient is φ = 2201209992.

The previous prime is 2201209987. The next prime is 2201210023. The reversal of 2201209993 is 3999021022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1190733049 + 1010476944 = 34507^2 + 31788^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201209993 - 2⁹ = 2201209481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201209903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100604996 + 1100604997.

It is an arithmetic number, because the mean of its divisors is an integer number (1100604997).

Almost surely, 2^2201209993 is an apocalyptic number.

It is an amenable number.

2201209993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201209993 is an equidigital number, since it uses as much as digits as its factorization.

2201209993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 2201209993 is about 46917.0543938982. The cubic root of 2201209993 is about 1300.8298435368.

The spelling of 2201209993 in words is "two billion, two hundred one million, two hundred nine thousand, nine hundred ninety-three".