24400042393 has 2 divisors, whose sum is σ = 24400042394. Its totient is φ = 24400042392.

The previous prime is 24400042367. The next prime is 24400042423. The reversal of 24400042393 is 39324000442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16459093849 + 7940948544 = 128293^2 + 89112^2 .

It is a cyclic number.

It is not a de Polignac number, because 24400042393 - 2²⁵ = 24366487961 is a prime.

It is not a weakly prime, because it can be changed into another prime (24400042333) 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, 12200021196 + 12200021197.

It is an arithmetic number, because the mean of its divisors is an integer number (12200021197).

Almost surely, 2^24400042393 is an apocalyptic number.

It is an amenable number.

24400042393 is a deficient number, since it is larger than the sum of its proper divisors (1).

24400042393 is an equidigital number, since it uses as much as digits as its factorization.

24400042393 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 31.

The spelling of 24400042393 in words is "twenty-four billion, four hundred million, forty-two thousand, three hundred ninety-three".