2124344309 has 2 divisors, whose sum is σ = 2124344310. Its totient is φ = 2124344308.

The previous prime is 2124344269. The next prime is 2124344323. The reversal of 2124344309 is 9034434212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1385700625 + 738643684 = 37225^2 + 27178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124344309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2124344359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062172154 + 1062172155.

It is an arithmetic number, because the mean of its divisors is an integer number (1062172155).

Almost surely, 2^2124344309 is an apocalyptic number.

It is an amenable number.

2124344309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124344309 is an equidigital number, since it uses as much as digits as its factorization.

2124344309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2124344309 is about 46090.6097703209. The cubic root of 2124344309 is about 1285.5085490833.

The spelling of 2124344309 in words is "two billion, one hundred twenty-four million, three hundred forty-four thousand, three hundred nine".