2124963689 has 2 divisors, whose sum is σ = 2124963690. Its totient is φ = 2124963688.

The previous prime is 2124963683. The next prime is 2124963713. The reversal of 2124963689 is 9863694212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1972070464 + 152893225 = 44408^2 + 12365^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124963689 - 2¹² = 2124959593 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2124963683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062481844 + 1062481845.

It is an arithmetic number, because the mean of its divisors is an integer number (1062481845).

Almost surely, 2^2124963689 is an apocalyptic number.

It is an amenable number.

2124963689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124963689 is an equidigital number, since it uses as much as digits as its factorization.

2124963689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 50.

The square root of 2124963689 is about 46097.3284366893. The cubic root of 2124963689 is about 1285.6334724791.

The spelling of 2124963689 in words is "two billion, one hundred twenty-four million, nine hundred sixty-three thousand, six hundred eighty-nine".