1099880690309 has 2 divisors, whose sum is σ = 1099880690310. Its totient is φ = 1099880690308.

The previous prime is 1099880690303. The next prime is 1099880690327. The reversal of 1099880690309 is 9030960889901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618931505284 + 480949185025 = 786722^2 + 693505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099880690309 - 2³⁶ = 1031161213573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1099880690303) 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, 549940345154 + 549940345155.

It is an arithmetic number, because the mean of its divisors is an integer number (549940345155).

Almost surely, 2^{1099880690309} is an apocalyptic number.

It is an amenable number.

1099880690309 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099880690309 is an equidigital number, since it uses as much as digits as its factorization.

1099880690309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7558272, while the sum is 62.

The spelling of 1099880690309 in words is "one trillion, ninety-nine billion, eight hundred eighty million, six hundred ninety thousand, three hundred nine".