2130210191 has 2 divisors, whose sum is σ = 2130210192. Its totient is φ = 2130210190.

The previous prime is 2130210169. The next prime is 2130210209. The reversal of 2130210191 is 1910120312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130210191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130210091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065105095 + 1065105096.

It is an arithmetic number, because the mean of its divisors is an integer number (1065105096).

Almost surely, 2^2130210191 is an apocalyptic number.

2130210191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130210191 is an equidigital number, since it uses as much as digits as its factorization.

2130210191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2130210191 is about 46154.2001447322. The cubic root of 2130210191 is about 1286.6906725083.

The spelling of 2130210191 in words is "two billion, one hundred thirty million, two hundred ten thousand, one hundred ninety-one".