1099807693 has 2 divisors, whose sum is σ = 1099807694. Its totient is φ = 1099807692.

The previous prime is 1099807691. The next prime is 1099807697. The reversal of 1099807693 is 3967089901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1074987369 + 24820324 = 32787^2 + 4982^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099807693 - 2¹ = 1099807691 is a prime.

Together with 1099807691, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1099807693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1099807691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549903846 + 549903847.

It is an arithmetic number, because the mean of its divisors is an integer number (549903847).

Almost surely, 2^1099807693 is an apocalyptic number.

It is an amenable number.

1099807693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099807693 is an equidigital number, since it uses as much as digits as its factorization.

1099807693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 1099807693 is about 33163.3486397258. The cubic root of 1099807693 is about 1032.2199559831.

The spelling of 1099807693 in words is "one billion, ninety-nine million, eight hundred seven thousand, six hundred ninety-three".