18024245441 has 2 divisors, whose sum is σ = 18024245442. Its totient is φ = 18024245440.

The previous prime is 18024245429. The next prime is 18024245471. The reversal of 18024245441 is 14454242081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10580179600 + 7444065841 = 102860^2 + 86279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18024245441 is a prime.

It is not a weakly prime, because it can be changed into another prime (18024245471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9012122720 + 9012122721.

It is an arithmetic number, because the mean of its divisors is an integer number (9012122721).

Almost surely, 2^18024245441 is an apocalyptic number.

It is an amenable number.

18024245441 is a deficient number, since it is larger than the sum of its proper divisors (1).

18024245441 is an equidigital number, since it uses as much as digits as its factorization.

18024245441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40960, while the sum is 35.

The spelling of 18024245441 in words is "eighteen billion, twenty-four million, two hundred forty-five thousand, four hundred forty-one".