2030196991 has 2 divisors, whose sum is σ = 2030196992. Its totient is φ = 2030196990.

The previous prime is 2030196989. The next prime is 2030197027. The reversal of 2030196991 is 1996910302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2030196991 - 2¹ = 2030196989 is a prime.

Together with 2030196989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030196191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015098495 + 1015098496.

It is an arithmetic number, because the mean of its divisors is an integer number (1015098496).

Almost surely, 2^2030196991 is an apocalyptic number.

2030196991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030196991 is an equidigital number, since it uses as much as digits as its factorization.

2030196991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 2030196991 is about 45057.7073429175. The cubic root of 2030196991 is about 1266.2303726460.

The spelling of 2030196991 in words is "two billion, thirty million, one hundred ninety-six thousand, nine hundred ninety-one".