2134791149 has 2 divisors, whose sum is σ = 2134791150. Its totient is φ = 2134791148.

The previous prime is 2134791143. The next prime is 2134791193. The reversal of 2134791149 is 9411974312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2093703049 + 41088100 = 45757^2 + 6410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2134791149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2134791143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067395574 + 1067395575.

It is an arithmetic number, because the mean of its divisors is an integer number (1067395575).

Almost surely, 2^2134791149 is an apocalyptic number.

It is an amenable number.

2134791149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134791149 is an equidigital number, since it uses as much as digits as its factorization.

2134791149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 2134791149 is about 46203.8001575628. The cubic root of 2134791149 is about 1287.6123430295.

The spelling of 2134791149 in words is "two billion, one hundred thirty-four million, seven hundred ninety-one thousand, one hundred forty-nine".