24404540389 has 2 divisors, whose sum is σ = 24404540390. Its totient is φ = 24404540388.

The previous prime is 24404540263. The next prime is 24404540399. The reversal of 24404540389 is 98304540442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21773363364 + 2631177025 = 147558^2 + 51295^2 .

It is a cyclic number.

It is not a de Polignac number, because 24404540389 - 2¹¹ = 24404538341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24404540399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12202270194 + 12202270195.

It is an arithmetic number, because the mean of its divisors is an integer number (12202270195).

Almost surely, 2^24404540389 is an apocalyptic number.

It is an amenable number.

24404540389 is a deficient number, since it is larger than the sum of its proper divisors (1).

24404540389 is an equidigital number, since it uses as much as digits as its factorization.

24404540389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 24404540389 in words is "twenty-four billion, four hundred four million, five hundred forty thousand, three hundred eighty-nine".