1054441489 has 2 divisors, whose sum is σ = 1054441490. Its totient is φ = 1054441488.

The previous prime is 1054441481. The next prime is 1054441579. The reversal of 1054441489 is 9841444501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 858021264 + 196420225 = 29292^2 + 14015^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054441489 - 2³ = 1054441481 is a prime.

It is a super-2 number, since 2×1054441489² = 2223693707449074242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1054441481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527220744 + 527220745.

It is an arithmetic number, because the mean of its divisors is an integer number (527220745).

Almost surely, 2^1054441489 is an apocalyptic number.

It is an amenable number.

1054441489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054441489 is an equidigital number, since it uses as much as digits as its factorization.

1054441489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1054441489 is about 32472.1648339004. The cubic root of 1054441489 is about 1017.8274561763.

The spelling of 1054441489 in words is "one billion, fifty-four million, four hundred forty-one thousand, four hundred eighty-nine".