1116659749 has 2 divisors, whose sum is σ = 1116659750. Its totient is φ = 1116659748.

The previous prime is 1116659743. The next prime is 1116659759. The reversal of 1116659749 is 9479566111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1116228100 + 431649 = 33410^2 + 657^2 .

It is an emirp because it is prime and its reverse (9479566111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1116659749 - 2¹¹ = 1116657701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116659743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558329874 + 558329875.

It is an arithmetic number, because the mean of its divisors is an integer number (558329875).

Almost surely, 2^1116659749 is an apocalyptic number.

It is an amenable number.

1116659749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116659749 is an equidigital number, since it uses as much as digits as its factorization.

1116659749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 49.

The square root of 1116659749 is about 33416.4592528891. The cubic root of 1116659749 is about 1037.4653974815.

The spelling of 1116659749 in words is "one billion, one hundred sixteen million, six hundred fifty-nine thousand, seven hundred forty-nine".