1168298849 has 2 divisors, whose sum is σ = 1168298850. Its totient is φ = 1168298848.

The previous prime is 1168298801. The next prime is 1168298893. The reversal of 1168298849 is 9488928611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 644804449 + 523494400 = 25393^2 + 22880^2 .

It is a cyclic number.

It is not a de Polignac number, because 1168298849 - 2²⁴ = 1151521633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1168298794 and 1168298803.

It is not a weakly prime, because it can be changed into another prime (1168298249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584149424 + 584149425.

It is an arithmetic number, because the mean of its divisors is an integer number (584149425).

Almost surely, 2^1168298849 is an apocalyptic number.

It is an amenable number.

1168298849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168298849 is an equidigital number, since it uses as much as digits as its factorization.

1168298849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 56.

The square root of 1168298849 is about 34180.3869053585. The cubic root of 1168298849 is about 1053.2172970662.

The spelling of 1168298849 in words is "one billion, one hundred sixty-eight million, two hundred ninety-eight thousand, eight hundred forty-nine".