1148963489 has 2 divisors, whose sum is σ = 1148963490. Its totient is φ = 1148963488.

The previous prime is 1148963477. The next prime is 1148963561. The reversal of 1148963489 is 9843698411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 756250000 + 392713489 = 27500^2 + 19817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148963489 - 2²⁰ = 1147914913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1148963489.

It is not a weakly prime, because it can be changed into another prime (1148963429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574481744 + 574481745.

It is an arithmetic number, because the mean of its divisors is an integer number (574481745).

Almost surely, 2^1148963489 is an apocalyptic number.

It is an amenable number.

1148963489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148963489 is an equidigital number, since it uses as much as digits as its factorization.

1148963489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 53.

The square root of 1148963489 is about 33896.3639495448. The cubic root of 1148963489 is about 1047.3746928331.

The spelling of 1148963489 in words is "one billion, one hundred forty-eight million, nine hundred sixty-three thousand, four hundred eighty-nine".