1163332789 has 2 divisors, whose sum is σ = 1163332790. Its totient is φ = 1163332788.

The previous prime is 1163332771. The next prime is 1163332813. The reversal of 1163332789 is 9872333611.

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., 706655889 + 456676900 = 26583^2 + 21370^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163332789 - 2²¹ = 1161235637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163332759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581666394 + 581666395.

It is an arithmetic number, because the mean of its divisors is an integer number (581666395).

Almost surely, 2^1163332789 is an apocalyptic number.

It is an amenable number.

1163332789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163332789 is an equidigital number, since it uses as much as digits as its factorization.

1163332789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 1163332789 is about 34107.6646664646. The cubic root of 1163332789 is about 1051.7228824386.

The spelling of 1163332789 in words is "one billion, one hundred sixty-three million, three hundred thirty-two thousand, seven hundred eighty-nine".