2124024342449 has 2 divisors, whose sum is σ = 2124024342450. Its totient is φ = 2124024342448.

The previous prime is 2124024342353. The next prime is 2124024342457. The reversal of 2124024342449 is 9442434204212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1622770254400 + 501254088049 = 1273880^2 + 707993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2124024342449 is a prime.

It is a super-2 number, since 2×2124024342449² (a number of 25 digits) contains 22 as substring.

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 (2124024342469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062012171224 + 1062012171225.

It is an arithmetic number, because the mean of its divisors is an integer number (1062012171225).

Almost surely, 2^{2124024342449} is an apocalyptic number.

It is an amenable number.

2124024342449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124024342449 is an equidigital number, since it uses as much as digits as its factorization.

2124024342449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 41.

The spelling of 2124024342449 in words is "two trillion, one hundred twenty-four billion, twenty-four million, three hundred forty-two thousand, four hundred forty-nine".