1000909100309 has 2 divisors, whose sum is σ = 1000909100310. Its totient is φ = 1000909100308.

The previous prime is 1000909100297. The next prime is 1000909100329. The reversal of 1000909100309 is 9030019090001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 601291684900 + 399617415409 = 775430^2 + 632153^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000909100309 - 2²⁸ = 1000640664853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000909100329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500454550154 + 500454550155.

It is an arithmetic number, because the mean of its divisors is an integer number (500454550155).

Almost surely, 2^{1000909100309} is an apocalyptic number.

It is an amenable number.

1000909100309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000909100309 is an equidigital number, since it uses as much as digits as its factorization.

1000909100309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 32.

The spelling of 1000909100309 in words is "one trillion, nine hundred nine million, one hundred thousand, three hundred nine".