1006648020089 has 4 divisors (see below), whose sum is σ = 1065862609524. Its totient is φ = 947433430656.

The previous prime is 1006648020031. The next prime is 1006648020121. The reversal of 1006648020089 is 9800208466001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 684438526864 + 322209493225 = 827308^2 + 567635^2 .

It is a cyclic number.

It is not a de Polignac number, because 1006648020089 - 2²⁸ = 1006379584633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1006648020019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29607294692 + ... + 29607294725.

It is an arithmetic number, because the mean of its divisors is an integer number (266465652381).

Almost surely, 2^{1006648020089} is an apocalyptic number.

It is an amenable number.

1006648020089 is a deficient number, since it is larger than the sum of its proper divisors (59214589435).

1006648020089 is an equidigital number, since it uses as much as digits as its factorization.

1006648020089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59214589434.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 1006648020089 in words is "one trillion, six billion, six hundred forty-eight million, twenty thousand, eighty-nine".