1010192819989 has 2 divisors, whose sum is σ = 1010192819990. Its totient is φ = 1010192819988.

The previous prime is 1010192819963. The next prime is 1010192820121. The reversal of 1010192819989 is 9899182910101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 760762495089 + 249430324900 = 872217^2 + 499430^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010192819989 - 2⁷ = 1010192819861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010192819789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505096409994 + 505096409995.

It is an arithmetic number, because the mean of its divisors is an integer number (505096409995).

Almost surely, 2^{1010192819989} is an apocalyptic number.

It is an amenable number.

1010192819989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010192819989 is an equidigital number, since it uses as much as digits as its factorization.

1010192819989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 58.

The spelling of 1010192819989 in words is "one trillion, ten billion, one hundred ninety-two million, eight hundred nineteen thousand, nine hundred eighty-nine".