1168915049 has 2 divisors, whose sum is σ = 1168915050. Its totient is φ = 1168915048.

The previous prime is 1168914991. The next prime is 1168915061. The reversal of 1168915049 is 9405198611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 878826025 + 290089024 = 29645^2 + 17032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1168915049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1168915949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584457524 + 584457525.

It is an arithmetic number, because the mean of its divisors is an integer number (584457525).

Almost surely, 2^1168915049 is an apocalyptic number.

It is an amenable number.

1168915049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168915049 is an equidigital number, since it uses as much as digits as its factorization.

1168915049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 1168915049 is about 34189.3996583736. The cubic root of 1168915049 is about 1053.4024318977.

The spelling of 1168915049 in words is "one billion, one hundred sixty-eight million, nine hundred fifteen thousand, forty-nine".