1168904749 has 2 divisors, whose sum is σ = 1168904750. Its totient is φ = 1168904748.

The previous prime is 1168904677. The next prime is 1168904767. The reversal of 1168904749 is 9474098611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 766902249 + 402002500 = 27693^2 + 20050^2 .

It is a cyclic number.

It is not a de Polignac number, because 1168904749 - 2⁷ = 1168904621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1168904249) 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, 584452374 + 584452375.

It is an arithmetic number, because the mean of its divisors is an integer number (584452375).

Almost surely, 2^1168904749 is an apocalyptic number.

It is an amenable number.

1168904749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168904749 is an equidigital number, since it uses as much as digits as its factorization.

1168904749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 1168904749 is about 34189.2490265580. The cubic root of 1168904749 is about 1053.3993378386.

The spelling of 1168904749 in words is "one billion, one hundred sixty-eight million, nine hundred four thousand, seven hundred forty-nine".