1922960489 has 2 divisors, whose sum is σ = 1922960490. Its totient is φ = 1922960488.

The previous prime is 1922960477. The next prime is 1922960519. The reversal of 1922960489 is 9840692291.

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., 1917739264 + 5221225 = 43792^2 + 2285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1922960489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1922960419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 961480244 + 961480245.

It is an arithmetic number, because the mean of its divisors is an integer number (961480245).

Almost surely, 2^1922960489 is an apocalyptic number.

It is an amenable number.

1922960489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1922960489 is an equidigital number, since it uses as much as digits as its factorization.

1922960489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 1922960489 is about 43851.5733925249. The cubic root of 1922960489 is about 1243.5314887491.

The spelling of 1922960489 in words is "one billion, nine hundred twenty-two million, nine hundred sixty thousand, four hundred eighty-nine".