2134797191 has 2 divisors, whose sum is σ = 2134797192. Its totient is φ = 2134797190.

The previous prime is 2134797179. The next prime is 2134797209. The reversal of 2134797191 is 1917974312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2134797191 - 2²⁶ = 2067688327 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134790191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067398595 + 1067398596.

It is an arithmetic number, because the mean of its divisors is an integer number (1067398596).

Almost surely, 2^2134797191 is an apocalyptic number.

2134797191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134797191 is an equidigital number, since it uses as much as digits as its factorization.

2134797191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 95256, while the sum is 44.

The square root of 2134797191 is about 46203.8655417488. The cubic root of 2134797191 is about 1287.6135577848.

The spelling of 2134797191 in words is "two billion, one hundred thirty-four million, seven hundred ninety-seven thousand, one hundred ninety-one".