1179957749 has 2 divisors, whose sum is σ = 1179957750. Its totient is φ = 1179957748.

The previous prime is 1179957739. The next prime is 1179957773. The reversal of 1179957749 is 9477599711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1143657124 + 36300625 = 33818^2 + 6025^2 .

It is a cyclic number.

It is not a de Polignac number, because 1179957749 - 2¹⁶ = 1179892213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1179957719) 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, 589978874 + 589978875.

It is an arithmetic number, because the mean of its divisors is an integer number (589978875).

Almost surely, 2^1179957749 is an apocalyptic number.

It is an amenable number.

1179957749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1179957749 is an equidigital number, since it uses as much as digits as its factorization.

1179957749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5000940, while the sum is 59.

The square root of 1179957749 is about 34350.5130820487. The cubic root of 1179957749 is about 1056.7091928051.

The spelling of 1179957749 in words is "one billion, one hundred seventy-nine million, nine hundred fifty-seven thousand, seven hundred forty-nine".