1173791093 has 2 divisors, whose sum is σ = 1173791094. Its totient is φ = 1173791092.

The previous prime is 1173791077. The next prime is 1173791111. The reversal of 1173791093 is 3901973711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 799871524 + 373919569 = 28282^2 + 19337^2 .

It is an emirp because it is prime and its reverse (3901973711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1173791093 - 2⁴ = 1173791077 is a prime.

It is a super-2 number, since 2×1173791093² = 2755571060012269298, 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 1173791093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1173791033) 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, 586895546 + 586895547.

It is an arithmetic number, because the mean of its divisors is an integer number (586895547).

Almost surely, 2^1173791093 is an apocalyptic number.

It is an amenable number.

1173791093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173791093 is an equidigital number, since it uses as much as digits as its factorization.

1173791093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35721, while the sum is 41.

The square root of 1173791093 is about 34260.6347430984. The cubic root of 1173791093 is about 1054.8651304423.

The spelling of 1173791093 in words is "one billion, one hundred seventy-three million, seven hundred ninety-one thousand, ninety-three".