1013440324489 has 2 divisors, whose sum is σ = 1013440324490. Its totient is φ = 1013440324488.

The previous prime is 1013440324399. The next prime is 1013440324549. The reversal of 1013440324489 is 9844230443101.

1013440324489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 944949247225 + 68491077264 = 972085^2 + 261708^2 .

It is an emirp because it is prime and its reverse (9844230443101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013440324489 - 2¹⁹ = 1013439800201 is a prime.

It is a super-2 number, since 2×1013440324489² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1013440324789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506720162244 + 506720162245.

It is an arithmetic number, because the mean of its divisors is an integer number (506720162245).

Almost surely, 2^{1013440324489} is an apocalyptic number.

It is an amenable number.

1013440324489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013440324489 is an equidigital number, since it uses as much as digits as its factorization.

1013440324489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 1013440324489 in words is "one trillion, thirteen billion, four hundred forty million, three hundred twenty-four thousand, four hundred eighty-nine".