1650560489 has 2 divisors, whose sum is σ = 1650560490. Its totient is φ = 1650560488.

The previous prime is 1650560479. The next prime is 1650560521. The reversal of 1650560489 is 9840650561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1508545600 + 142014889 = 38840^2 + 11917^2 .

It is a cyclic number.

It is not a de Polignac number, because 1650560489 - 2¹⁶ = 1650494953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1650560449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825280244 + 825280245.

It is an arithmetic number, because the mean of its divisors is an integer number (825280245).

Almost surely, 2^1650560489 is an apocalyptic number.

It is an amenable number.

1650560489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1650560489 is an equidigital number, since it uses as much as digits as its factorization.

1650560489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 1650560489 is about 40627.0905800551. The cubic root of 1650560489 is about 1181.7995354524.

The spelling of 1650560489 in words is "one billion, six hundred fifty million, five hundred sixty thousand, four hundred eighty-nine".