1118083793 has 2 divisors, whose sum is σ = 1118083794. Its totient is φ = 1118083792.

The previous prime is 1118083763. The next prime is 1118083847. The reversal of 1118083793 is 3973808111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 981380929 + 136702864 = 31327^2 + 11692^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118083793 - 2²⁶ = 1050974929 is a prime.

It is a super-2 number, since 2×1118083793² = 2500222736338533698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1118083793.

It is not a weakly prime, because it can be changed into another prime (1118083753) 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, 559041896 + 559041897.

It is an arithmetic number, because the mean of its divisors is an integer number (559041897).

Almost surely, 2^1118083793 is an apocalyptic number.

It is an amenable number.

1118083793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118083793 is an equidigital number, since it uses as much as digits as its factorization.

1118083793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 1118083793 is about 33437.7599877743. The cubic root of 1118083793 is about 1037.9062267175.

The spelling of 1118083793 in words is "one billion, one hundred eighteen million, eighty-three thousand, seven hundred ninety-three".