1044115489 has 2 divisors, whose sum is σ = 1044115490. Its totient is φ = 1044115488.

The previous prime is 1044115483. The next prime is 1044115517. The reversal of 1044115489 is 9845114401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 950180625 + 93934864 = 30825^2 + 9692^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044115489 - 2⁹ = 1044114977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1044115483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522057744 + 522057745.

It is an arithmetic number, because the mean of its divisors is an integer number (522057745).

Almost surely, 2^1044115489 is an apocalyptic number.

It is an amenable number.

1044115489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044115489 is an equidigital number, since it uses as much as digits as its factorization.

1044115489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1044115489 is about 32312.7759407947. The cubic root of 1044115489 is about 1014.4940699735.

The spelling of 1044115489 in words is "one billion, forty-four million, one hundred fifteen thousand, four hundred eighty-nine".