24400034019989 has 2 divisors, whose sum is σ = 24400034019990. Its totient is φ = 24400034019988.

The previous prime is 24400034019983. The next prime is 24400034020097. The reversal of 24400034019989 is 98991043000442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22304320335025 + 2095713684964 = 4722745^2 + 1447658^2 .

It is a cyclic number.

It is not a de Polignac number, because 24400034019989 - 2¹² = 24400034015893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 24400034019989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24400034019983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12200017009994 + 12200017009995.

It is an arithmetic number, because the mean of its divisors is an integer number (12200017009995).

Almost surely, 2^{24400034019989} is an apocalyptic number.

It is an amenable number.

24400034019989 is a deficient number, since it is larger than the sum of its proper divisors (1).

24400034019989 is an equidigital number, since it uses as much as digits as its factorization.

24400034019989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 24400034019989 in words is "twenty-four trillion, four hundred billion, thirty-four million, nineteen thousand, nine hundred eighty-nine".