2000211973 has 2 divisors, whose sum is σ = 2000211974. Its totient is φ = 2000211972.

The previous prime is 2000211949. The next prime is 2000212003. The reversal of 2000211973 is 3791120002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1700160289 + 300051684 = 41233^2 + 17322^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000211973 - 2²¹ = 1998114821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000211173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000105986 + 1000105987.

It is an arithmetic number, because the mean of its divisors is an integer number (1000105987).

Almost surely, 2^2000211973 is an apocalyptic number.

It is an amenable number.

2000211973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000211973 is an equidigital number, since it uses as much as digits as its factorization.

2000211973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 2000211973 is about 44723.7294173909. The cubic root of 2000211973 is about 1259.9655598632.

Adding to 2000211973 its reverse (3791120002), we get a palindrome (5791331975).

The spelling of 2000211973 in words is "two billion, two hundred eleven thousand, nine hundred seventy-three".