1168933949 has 2 divisors, whose sum is σ = 1168933950. Its totient is φ = 1168933948.

The previous prime is 1168933939. The next prime is 1168933963. The reversal of 1168933949 is 9493398611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1136364100 + 32569849 = 33710^2 + 5707^2 .

It is a cyclic number.

It is not a de Polignac number, because 1168933949 - 2⁸ = 1168933693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1168933949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1168933939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584466974 + 584466975.

It is an arithmetic number, because the mean of its divisors is an integer number (584466975).

Almost surely, 2^1168933949 is an apocalyptic number.

It is an amenable number.

1168933949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168933949 is an equidigital number, since it uses as much as digits as its factorization.

1168933949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1259712, while the sum is 53.

The square root of 1168933949 is about 34189.6760587169. The cubic root of 1168933949 is about 1053.4081092988.

The spelling of 1168933949 in words is "one billion, one hundred sixty-eight million, nine hundred thirty-three thousand, nine hundred forty-nine".