1099513313849 has 2 divisors, whose sum is σ = 1099513313850. Its totient is φ = 1099513313848.

The previous prime is 1099513313837. The next prime is 1099513313867. The reversal of 1099513313849 is 9483133159901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 582005729449 + 517507584400 = 762893^2 + 719380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099513313849 - 2²⁰ = 1099512265273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1099513313794 and 1099513313803.

It is not a weakly prime, because it can be changed into another prime (1099513313749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549756656924 + 549756656925.

It is an arithmetic number, because the mean of its divisors is an integer number (549756656925).

Almost surely, 2^{1099513313849} is an apocalyptic number.

It is an amenable number.

1099513313849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099513313849 is an equidigital number, since it uses as much as digits as its factorization.

1099513313849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3149280, while the sum is 56.

The spelling of 1099513313849 in words is "one trillion, ninety-nine billion, five hundred thirteen million, three hundred thirteen thousand, eight hundred forty-nine".