2130551191 has 2 divisors, whose sum is σ = 2130551192. Its totient is φ = 2130551190.

The previous prime is 2130551177. The next prime is 2130551221. The reversal of 2130551191 is 1911550312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130551191 - 2¹⁹ = 2130026903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130551141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065275595 + 1065275596.

It is an arithmetic number, because the mean of its divisors is an integer number (1065275596).

Almost surely, 2^2130551191 is an apocalyptic number.

2130551191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130551191 is an equidigital number, since it uses as much as digits as its factorization.

2130551191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 2130551191 is about 46157.8941352397. The cubic root of 2130551191 is about 1286.7593258445.

The spelling of 2130551191 in words is "two billion, one hundred thirty million, five hundred fifty-one thousand, one hundred ninety-one".