1005000560989 has 2 divisors, whose sum is σ = 1005000560990. Its totient is φ = 1005000560988.

The previous prime is 1005000560983. The next prime is 1005000561007. The reversal of 1005000560989 is 9890650005001.

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., 1003863724900 + 1136836089 = 1001930^2 + 33717^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005000560989 - 2³ = 1005000560981 is a prime.

It is a super-2 number, since 2×1005000560989² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005000560981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502500280494 + 502500280495.

It is an arithmetic number, because the mean of its divisors is an integer number (502500280495).

Almost surely, 2^{1005000560989} is an apocalyptic number.

It is an amenable number.

1005000560989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005000560989 is an equidigital number, since it uses as much as digits as its factorization.

1005000560989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 43.

The spelling of 1005000560989 in words is "one trillion, five billion, five hundred sixty thousand, nine hundred eighty-nine".