2143730597 has 2 divisors, whose sum is σ = 2143730598. Its totient is φ = 2143730596.

The previous prime is 2143730587. The next prime is 2143730599. The reversal of 2143730597 is 7950373412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1882778881 + 260951716 = 43391^2 + 16154^2 .

It is a cyclic number.

It is not a de Polignac number, because 2143730597 - 2¹⁰ = 2143729573 is a prime.

Together with 2143730599, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143730599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071865298 + 1071865299.

It is an arithmetic number, because the mean of its divisors is an integer number (1071865299).

Almost surely, 2^2143730597 is an apocalyptic number.

It is an amenable number.

2143730597 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143730597 is an equidigital number, since it uses as much as digits as its factorization.

2143730597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 2143730597 is about 46300.4384104514. The cubic root of 2143730597 is about 1289.4071343756.

The spelling of 2143730597 in words is "two billion, one hundred forty-three million, seven hundred thirty thousand, five hundred ninety-seven".