1469147489 has 2 divisors, whose sum is σ = 1469147490. Its totient is φ = 1469147488.

The previous prime is 1469147483. The next prime is 1469147509. The reversal of 1469147489 is 9847419641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 979189264 + 489958225 = 31292^2 + 22135^2 .

It is a cyclic number.

It is not a de Polignac number, because 1469147489 - 2⁸ = 1469147233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1469147489.

It is not a weakly prime, because it can be changed into another prime (1469147483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734573744 + 734573745.

It is an arithmetic number, because the mean of its divisors is an integer number (734573745).

Almost surely, 2^1469147489 is an apocalyptic number.

It is an amenable number.

1469147489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1469147489 is an equidigital number, since it uses as much as digits as its factorization.

1469147489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 53.

The square root of 1469147489 is about 38329.4598057421. The cubic root of 1469147489 is about 1136.8115195190.

The spelling of 1469147489 in words is "one billion, four hundred sixty-nine million, one hundred forty-seven thousand, four hundred eighty-nine".