2099730943 has 2 divisors, whose sum is σ = 2099730944. Its totient is φ = 2099730942.

The previous prime is 2099730923. The next prime is 2099730947. The reversal of 2099730943 is 3490379902.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2099730943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2099730893 and 2099730902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2099730947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049865471 + 1049865472.

It is an arithmetic number, because the mean of its divisors is an integer number (1049865472).

Almost surely, 2^2099730943 is an apocalyptic number.

2099730943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099730943 is an equidigital number, since it uses as much as digits as its factorization.

2099730943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 46.

The square root of 2099730943 is about 45822.8212029770. The cubic root of 2099730943 is about 1280.5244723678.

The spelling of 2099730943 in words is "two billion, ninety-nine million, seven hundred thirty thousand, nine hundred forty-three".